Home / 868,613.58-1,198,736.01-486,763.38

Finding the Fourth Proportional to 868,613.58, 1,198,736.01 and 486,763.38

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Solution

The fourth proportional to 868,613.58, 1,198,736.01 and 486,763.38 is: 671,761.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,613.58 : 1,198,736.01 = 486,763.38 : x
  2. Step 2: Convert to fraction form
    868,613.58/1,198,736.01 = 486,763.38/x
  3. Step 3: Cross multiply
    868,613.58x = 1,198,736.01 × 486,763.38
  4. Step 4: Simplify right side
    868,613.58x = 583,500,791,955.31
  5. Step 5: Solve for x
    x = 583,500,791,955.31/868,613.58
  6. Step 6: Final answer
    x = 671,761.07

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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.