Home / 798,040.10-1,197,061.52-639,126.77

Finding the Fourth Proportional to 798,040.10, 1,197,061.52 and 639,126.77

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Solution

The fourth proportional to 798,040.10, 1,197,061.52 and 639,126.77 is: 958,691.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,040.10 : 1,197,061.52 = 639,126.77 : x
  2. Step 2: Convert to fraction form
    798,040.10/1,197,061.52 = 639,126.77/x
  3. Step 3: Cross multiply
    798,040.10x = 1,197,061.52 × 639,126.77
  4. Step 4: Simplify right side
    798,040.10x = 765,074,053,587.95
  5. Step 5: Solve for x
    x = 765,074,053,587.95/798,040.10
  6. Step 6: Final answer
    x = 958,691.24

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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.