Home / 527,104.18-727,402.71-285,386.95

Finding the Fourth Proportional to 527,104.18, 727,402.71 and 285,386.95

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Solution

The fourth proportional to 527,104.18, 727,402.71 and 285,386.95 is: 393,833.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,104.18 : 727,402.71 = 285,386.95 : x
  2. Step 2: Convert to fraction form
    527,104.18/727,402.71 = 285,386.95/x
  3. Step 3: Cross multiply
    527,104.18x = 727,402.71 × 285,386.95
  4. Step 4: Simplify right side
    527,104.18x = 207,591,240,828.64
  5. Step 5: Solve for x
    x = 207,591,240,828.64/527,104.18
  6. Step 6: Final answer
    x = 393,833.42

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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.