Home / 1,689,633.40-2,534,450.10-491,594.80

Finding the Fourth Proportional to 1,689,633.40, 2,534,450.10 and 491,594.80

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Solution

The fourth proportional to 1,689,633.40, 2,534,450.10 and 491,594.80 is: 737,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,633.40 : 2,534,450.10 = 491,594.80 : x
  2. Step 2: Convert to fraction form
    1,689,633.40/2,534,450.10 = 491,594.80/x
  3. Step 3: Cross multiply
    1,689,633.40x = 2,534,450.10 × 491,594.80
  4. Step 4: Simplify right side
    1,689,633.40x = 1,245,922,490,019.48
  5. Step 5: Solve for x
    x = 1,245,922,490,019.48/1,689,633.40
  6. Step 6: Final answer
    x = 737,392.20

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Half scale
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Double scale
Find fourth proportional to 1,689,634.40, 2,534,451.60 and 491,595.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.