Home / 957,700.49-1,321,675.55-527,979.59

Finding the Fourth Proportional to 957,700.49, 1,321,675.55 and 527,979.59

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Solution

The fourth proportional to 957,700.49, 1,321,675.55 and 527,979.59 is: 728,638.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,700.49 : 1,321,675.55 = 527,979.59 : x
  2. Step 2: Convert to fraction form
    957,700.49/1,321,675.55 = 527,979.59/x
  3. Step 3: Cross multiply
    957,700.49x = 1,321,675.55 × 527,979.59
  4. Step 4: Simplify right side
    957,700.49x = 697,817,712,689.96
  5. Step 5: Solve for x
    x = 697,817,712,689.96/957,700.49
  6. Step 6: Final answer
    x = 728,638.78

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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.