Home / 527,139.90-727,155.96-333,487.50

Finding the Fourth Proportional to 527,139.90, 727,155.96 and 333,487.50

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Solution

The fourth proportional to 527,139.90, 727,155.96 and 333,487.50 is: 460,024.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,139.90 : 727,155.96 = 333,487.50 : x
  2. Step 2: Convert to fraction form
    527,139.90/727,155.96 = 333,487.50/x
  3. Step 3: Cross multiply
    527,139.90x = 727,155.96 × 333,487.50
  4. Step 4: Simplify right side
    527,139.90x = 242,497,423,210.50
  5. Step 5: Solve for x
    x = 242,497,423,210.50/527,139.90
  6. Step 6: Final answer
    x = 460,024.79

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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.