Home / 527,498.82-727,947.32-285,787.35

Finding the Fourth Proportional to 527,498.82, 727,947.32 and 285,787.35

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Solution

The fourth proportional to 527,498.82, 727,947.32 and 285,787.35 is: 394,385.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,498.82 : 727,947.32 = 285,787.35 : x
  2. Step 2: Convert to fraction form
    527,498.82/727,947.32 = 285,787.35/x
  3. Step 3: Cross multiply
    527,498.82x = 727,947.32 × 285,787.35
  4. Step 4: Simplify right side
    527,498.82x = 208,038,134,093.47
  5. Step 5: Solve for x
    x = 208,038,134,093.47/527,498.82
  6. Step 6: Final answer
    x = 394,385.97

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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.