Home / 837,566.52-1,255,620.78-538,132.20

Finding the Fourth Proportional to 837,566.52, 1,255,620.78 and 538,132.20

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Solution

The fourth proportional to 837,566.52, 1,255,620.78 and 538,132.20 is: 806,729.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,566.52 : 1,255,620.78 = 538,132.20 : x
  2. Step 2: Convert to fraction form
    837,566.52/1,255,620.78 = 538,132.20/x
  3. Step 3: Cross multiply
    837,566.52x = 1,255,620.78 × 538,132.20
  4. Step 4: Simplify right side
    837,566.52x = 675,689,972,707.12
  5. Step 5: Solve for x
    x = 675,689,972,707.12/837,566.52
  6. Step 6: Final answer
    x = 806,729.92

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Double scale
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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.