Home / 629,323.40-943,985.10-453,488.60

Finding the Fourth Proportional to 629,323.40, 943,985.10 and 453,488.60

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Solution

The fourth proportional to 629,323.40, 943,985.10 and 453,488.60 is: 680,232.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,323.40 : 943,985.10 = 453,488.60 : x
  2. Step 2: Convert to fraction form
    629,323.40/943,985.10 = 453,488.60/x
  3. Step 3: Cross multiply
    629,323.40x = 943,985.10 × 453,488.60
  4. Step 4: Simplify right side
    629,323.40x = 428,086,481,419.86
  5. Step 5: Solve for x
    x = 428,086,481,419.86/629,323.40
  6. Step 6: Final answer
    x = 680,232.90

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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.