Home / 866,091.45-1,195,101.88-478,854.55

Finding the Fourth Proportional to 866,091.45, 1,195,101.88 and 478,854.55

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Solution

The fourth proportional to 866,091.45, 1,195,101.88 and 478,854.55 is: 660,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,091.45 : 1,195,101.88 = 478,854.55 : x
  2. Step 2: Convert to fraction form
    866,091.45/1,195,101.88 = 478,854.55/x
  3. Step 3: Cross multiply
    866,091.45x = 1,195,101.88 × 478,854.55
  4. Step 4: Simplify right side
    866,091.45x = 572,279,973,248.30
  5. Step 5: Solve for x
    x = 572,279,973,248.30/866,091.45
  6. Step 6: Final answer
    x = 660,761.60

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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.