Home / 591,008.31-815,631.14-329,404.32

Finding the Fourth Proportional to 591,008.31, 815,631.14 and 329,404.32

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Solution

The fourth proportional to 591,008.31, 815,631.14 and 329,404.32 is: 454,600.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,008.31 : 815,631.14 = 329,404.32 : x
  2. Step 2: Convert to fraction form
    591,008.31/815,631.14 = 329,404.32/x
  3. Step 3: Cross multiply
    591,008.31x = 815,631.14 × 329,404.32
  4. Step 4: Simplify right side
    591,008.31x = 268,672,421,866.04
  5. Step 5: Solve for x
    x = 268,672,421,866.04/591,008.31
  6. Step 6: Final answer
    x = 454,600.07

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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.