Home / 758,739.29-1,138,158.14-226,314.14

Finding the Fourth Proportional to 758,739.29, 1,138,158.14 and 226,314.14

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Solution

The fourth proportional to 758,739.29, 1,138,158.14 and 226,314.14 is: 339,485.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,739.29 : 1,138,158.14 = 226,314.14 : x
  2. Step 2: Convert to fraction form
    758,739.29/1,138,158.14 = 226,314.14/x
  3. Step 3: Cross multiply
    758,739.29x = 1,138,158.14 × 226,314.14
  4. Step 4: Simplify right side
    758,739.29x = 257,581,273,815.74
  5. Step 5: Solve for x
    x = 257,581,273,815.74/758,739.29
  6. Step 6: Final answer
    x = 339,485.88

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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.