Home / 765,109.46-1,147,728.44-232,635.12

Finding the Fourth Proportional to 765,109.46, 1,147,728.44 and 232,635.12

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Solution

The fourth proportional to 765,109.46, 1,147,728.44 and 232,635.12 is: 348,972.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,109.46 : 1,147,728.44 = 232,635.12 : x
  2. Step 2: Convert to fraction form
    765,109.46/1,147,728.44 = 232,635.12/x
  3. Step 3: Cross multiply
    765,109.46x = 1,147,728.44 × 232,635.12
  4. Step 4: Simplify right side
    765,109.46x = 267,001,943,366.81
  5. Step 5: Solve for x
    x = 267,001,943,366.81/765,109.46
  6. Step 6: Final answer
    x = 348,972.22

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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.