Home / 527,498.56-727,946.98-285,787.17

Finding the Fourth Proportional to 527,498.56, 727,946.98 and 285,787.17

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Solution

The fourth proportional to 527,498.56, 727,946.98 and 285,787.17 is: 394,385.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,498.56 : 727,946.98 = 285,787.17 : x
  2. Step 2: Convert to fraction form
    527,498.56/727,946.98 = 285,787.17/x
  3. Step 3: Cross multiply
    527,498.56x = 727,946.98 × 285,787.17
  4. Step 4: Simplify right side
    527,498.56x = 208,037,907,324.25
  5. Step 5: Solve for x
    x = 208,037,907,324.25/527,498.56
  6. Step 6: Final answer
    x = 394,385.74

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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.