Home / 765,471.32-1,148,265.66-233,037.80

Finding the Fourth Proportional to 765,471.32, 1,148,265.66 and 233,037.80

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Solution

The fourth proportional to 765,471.32, 1,148,265.66 and 233,037.80 is: 349,574.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,471.32 : 1,148,265.66 = 233,037.80 : x
  2. Step 2: Convert to fraction form
    765,471.32/1,148,265.66 = 233,037.80/x
  3. Step 3: Cross multiply
    765,471.32x = 1,148,265.66 × 233,037.80
  4. Step 4: Simplify right side
    765,471.32x = 267,589,303,221.95
  5. Step 5: Solve for x
    x = 267,589,303,221.95/765,471.32
  6. Step 6: Final answer
    x = 349,574.56

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Double scale
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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.