Home / 906,548.76-1,251,067.98-498,680.92

Finding the Fourth Proportional to 906,548.76, 1,251,067.98 and 498,680.92

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Solution

The fourth proportional to 906,548.76, 1,251,067.98 and 498,680.92 is: 688,196.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,548.76 : 1,251,067.98 = 498,680.92 : x
  2. Step 2: Convert to fraction form
    906,548.76/1,251,067.98 = 498,680.92/x
  3. Step 3: Cross multiply
    906,548.76x = 1,251,067.98 × 498,680.92
  4. Step 4: Simplify right side
    906,548.76x = 623,883,731,248.94
  5. Step 5: Solve for x
    x = 623,883,731,248.94/906,548.76
  6. Step 6: Final answer
    x = 688,196.55

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Double scale
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1.5x scale

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.