Home / 765,803.43-1,057,135.46-545,182.92

Finding the Fourth Proportional to 765,803.43, 1,057,135.46 and 545,182.92

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Solution

The fourth proportional to 765,803.43, 1,057,135.46 and 545,182.92 is: 752,585.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,803.43 : 1,057,135.46 = 545,182.92 : x
  2. Step 2: Convert to fraction form
    765,803.43/1,057,135.46 = 545,182.92/x
  3. Step 3: Cross multiply
    765,803.43x = 1,057,135.46 × 545,182.92
  4. Step 4: Simplify right side
    765,803.43x = 576,332,194,192.43
  5. Step 5: Solve for x
    x = 576,332,194,192.43/765,803.43
  6. Step 6: Final answer
    x = 752,585.03

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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.