Home / 927,585.82-1,391,342.33-387,702.66

Finding the Fourth Proportional to 927,585.82, 1,391,342.33 and 387,702.66

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Solution

The fourth proportional to 927,585.82, 1,391,342.33 and 387,702.66 is: 581,538.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,585.82 : 1,391,342.33 = 387,702.66 : x
  2. Step 2: Convert to fraction form
    927,585.82/1,391,342.33 = 387,702.66/x
  3. Step 3: Cross multiply
    927,585.82x = 1,391,342.33 × 387,702.66
  4. Step 4: Simplify right side
    927,585.82x = 539,427,128,498.39
  5. Step 5: Solve for x
    x = 539,427,128,498.39/927,585.82
  6. Step 6: Final answer
    x = 581,538.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.