Home / 838,659.52-1,157,169.60-499,061.44

Finding the Fourth Proportional to 838,659.52, 1,157,169.60 and 499,061.44

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Solution

The fourth proportional to 838,659.52, 1,157,169.60 and 499,061.44 is: 688,597.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,659.52 : 1,157,169.60 = 499,061.44 : x
  2. Step 2: Convert to fraction form
    838,659.52/1,157,169.60 = 499,061.44/x
  3. Step 3: Cross multiply
    838,659.52x = 1,157,169.60 × 499,061.44
  4. Step 4: Simplify right side
    838,659.52x = 577,498,726,900.22
  5. Step 5: Solve for x
    x = 577,498,726,900.22/838,659.52
  6. Step 6: Final answer
    x = 688,597.35

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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.