Home / 861,736.02-1,189,175.49-479,755.14

Finding the Fourth Proportional to 861,736.02, 1,189,175.49 and 479,755.14

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Solution

The fourth proportional to 861,736.02, 1,189,175.49 and 479,755.14 is: 662,050.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,736.02 : 1,189,175.49 = 479,755.14 : x
  2. Step 2: Convert to fraction form
    861,736.02/1,189,175.49 = 479,755.14/x
  3. Step 3: Cross multiply
    861,736.02x = 1,189,175.49 × 479,755.14
  4. Step 4: Simplify right side
    861,736.02x = 570,513,053,689.52
  5. Step 5: Solve for x
    x = 570,513,053,689.52/861,736.02
  6. Step 6: Final answer
    x = 662,050.84

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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.