Home / 1,244,357.40-1,866,536.10-402,994.20

Finding the Fourth Proportional to 1,244,357.40, 1,866,536.10 and 402,994.20

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Solution

The fourth proportional to 1,244,357.40, 1,866,536.10 and 402,994.20 is: 604,491.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,357.40 : 1,866,536.10 = 402,994.20 : x
  2. Step 2: Convert to fraction form
    1,244,357.40/1,866,536.10 = 402,994.20/x
  3. Step 3: Cross multiply
    1,244,357.40x = 1,866,536.10 × 402,994.20
  4. Step 4: Simplify right side
    1,244,357.40x = 752,203,222,390.62
  5. Step 5: Solve for x
    x = 752,203,222,390.62/1,244,357.40
  6. Step 6: Final answer
    x = 604,491.30

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Double scale
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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.