Home / 527,097.20-727,385.28-285,377.81

Finding the Fourth Proportional to 527,097.20, 727,385.28 and 285,377.81

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Solution

The fourth proportional to 527,097.20, 727,385.28 and 285,377.81 is: 393,816.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,097.20 : 727,385.28 = 285,377.81 : x
  2. Step 2: Convert to fraction form
    527,097.20/727,385.28 = 285,377.81/x
  3. Step 3: Cross multiply
    527,097.20x = 727,385.28 × 285,377.81
  4. Step 4: Simplify right side
    527,097.20x = 207,579,618,232.64
  5. Step 5: Solve for x
    x = 207,579,618,232.64/527,097.20
  6. Step 6: Final answer
    x = 393,816.58

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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.