Home / 531,022.20-732,475.84-316,001.76

Finding the Fourth Proportional to 531,022.20, 732,475.84 and 316,001.76

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Solution

The fourth proportional to 531,022.20, 732,475.84 and 316,001.76 is: 435,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,022.20 : 732,475.84 = 316,001.76 : x
  2. Step 2: Convert to fraction form
    531,022.20/732,475.84 = 316,001.76/x
  3. Step 3: Cross multiply
    531,022.20x = 732,475.84 × 316,001.76
  4. Step 4: Simplify right side
    531,022.20x = 231,463,654,597.48
  5. Step 5: Solve for x
    x = 231,463,654,597.48/531,022.20
  6. Step 6: Final answer
    x = 435,883.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.