Home / 739,149.15-1,107,168.53-614,733.15

Finding the Fourth Proportional to 739,149.15, 1,107,168.53 and 614,733.15

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Solution

The fourth proportional to 739,149.15, 1,107,168.53 and 614,733.15 is: 920,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,149.15 : 1,107,168.53 = 614,733.15 : x
  2. Step 2: Convert to fraction form
    739,149.15/1,107,168.53 = 614,733.15/x
  3. Step 3: Cross multiply
    739,149.15x = 1,107,168.53 × 614,733.15
  4. Step 4: Simplify right side
    739,149.15x = 680,613,194,954.10
  5. Step 5: Solve for x
    x = 680,613,194,954.10/739,149.15
  6. Step 6: Final answer
    x = 920,806.30

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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.