Home / 525,688.35-725,449.17-283,970.85

Finding the Fourth Proportional to 525,688.35, 725,449.17 and 283,970.85

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Solution

The fourth proportional to 525,688.35, 725,449.17 and 283,970.85 is: 391,879.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,688.35 : 725,449.17 = 283,970.85 : x
  2. Step 2: Convert to fraction form
    525,688.35/725,449.17 = 283,970.85/x
  3. Step 3: Cross multiply
    525,688.35x = 725,449.17 × 283,970.85
  4. Step 4: Simplify right side
    525,688.35x = 206,006,417,436.70
  5. Step 5: Solve for x
    x = 206,006,417,436.70/525,688.35
  6. Step 6: Final answer
    x = 391,879.37

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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.