Home / 657,787.59-986,681.43-159,151.59

Finding the Fourth Proportional to 657,787.59, 986,681.43 and 159,151.59

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Solution

The fourth proportional to 657,787.59, 986,681.43 and 159,151.59 is: 238,727.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,787.59 : 986,681.43 = 159,151.59 : x
  2. Step 2: Convert to fraction form
    657,787.59/986,681.43 = 159,151.59/x
  3. Step 3: Cross multiply
    657,787.59x = 986,681.43 × 159,151.59
  4. Step 4: Simplify right side
    657,787.59x = 157,031,918,407.97
  5. Step 5: Solve for x
    x = 157,031,918,407.97/657,787.59
  6. Step 6: Final answer
    x = 238,727.40

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Half scale
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Double scale
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Similar ratio
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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.