Home / 957,523.72-1,321,391.62-527,819.20

Finding the Fourth Proportional to 957,523.72, 1,321,391.62 and 527,819.20

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Solution

The fourth proportional to 957,523.72, 1,321,391.62 and 527,819.20 is: 728,395.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,523.72 : 1,321,391.62 = 527,819.20 : x
  2. Step 2: Convert to fraction form
    957,523.72/1,321,391.62 = 527,819.20/x
  3. Step 3: Cross multiply
    957,523.72x = 1,321,391.62 × 527,819.20
  4. Step 4: Simplify right side
    957,523.72x = 697,455,867,755.10
  5. Step 5: Solve for x
    x = 697,455,867,755.10/957,523.72
  6. Step 6: Final answer
    x = 728,395.39

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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.