Home / 704,839.89-972,688.37-382,553.85

Finding the Fourth Proportional to 704,839.89, 972,688.37 and 382,553.85

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Solution

The fourth proportional to 704,839.89, 972,688.37 and 382,553.85 is: 527,929.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,839.89 : 972,688.37 = 382,553.85 : x
  2. Step 2: Convert to fraction form
    704,839.89/972,688.37 = 382,553.85/x
  3. Step 3: Cross multiply
    704,839.89x = 972,688.37 × 382,553.85
  4. Step 4: Simplify right side
    704,839.89x = 372,105,680,793.73
  5. Step 5: Solve for x
    x = 372,105,680,793.73/704,839.89
  6. Step 6: Final answer
    x = 527,929.37

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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.