Home / 837,065.40-1,155,098.52-469,522.32

Finding the Fourth Proportional to 837,065.40, 1,155,098.52 and 469,522.32

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Solution

The fourth proportional to 837,065.40, 1,155,098.52 and 469,522.32 is: 647,911.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,065.40 : 1,155,098.52 = 469,522.32 : x
  2. Step 2: Convert to fraction form
    837,065.40/1,155,098.52 = 469,522.32/x
  3. Step 3: Cross multiply
    837,065.40x = 1,155,098.52 × 469,522.32
  4. Step 4: Simplify right side
    837,065.40x = 542,344,536,938.97
  5. Step 5: Solve for x
    x = 542,344,536,938.97/837,065.40
  6. Step 6: Final answer
    x = 647,911.78

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Double scale
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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.