Home / 571,057.28-788,072.46-329,350.04

Finding the Fourth Proportional to 571,057.28, 788,072.46 and 329,350.04

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Solution

The fourth proportional to 571,057.28, 788,072.46 and 329,350.04 is: 454,510.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,057.28 : 788,072.46 = 329,350.04 : x
  2. Step 2: Convert to fraction form
    571,057.28/788,072.46 = 329,350.04/x
  3. Step 3: Cross multiply
    571,057.28x = 788,072.46 × 329,350.04
  4. Step 4: Simplify right side
    571,057.28x = 259,551,696,223.90
  5. Step 5: Solve for x
    x = 259,551,696,223.90/571,057.28
  6. Step 6: Final answer
    x = 454,510.79

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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.