Home / 527,327.28-727,756.65-297,926.91

Finding the Fourth Proportional to 527,327.28, 727,756.65 and 297,926.91

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Solution

The fourth proportional to 527,327.28, 727,756.65 and 297,926.91 is: 411,164.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,327.28 : 727,756.65 = 297,926.91 : x
  2. Step 2: Convert to fraction form
    527,327.28/727,756.65 = 297,926.91/x
  3. Step 3: Cross multiply
    527,327.28x = 727,756.65 × 297,926.91
  4. Step 4: Simplify right side
    527,327.28x = 216,818,289,966.45
  5. Step 5: Solve for x
    x = 216,818,289,966.45/527,327.28
  6. Step 6: Final answer
    x = 411,164.56

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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.