Home / 868,326.71-1,198,876.01-542,136.87

Finding the Fourth Proportional to 868,326.71, 1,198,876.01 and 542,136.87

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Solution

The fourth proportional to 868,326.71, 1,198,876.01 and 542,136.87 is: 748,514.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,326.71 : 1,198,876.01 = 542,136.87 : x
  2. Step 2: Convert to fraction form
    868,326.71/1,198,876.01 = 542,136.87/x
  3. Step 3: Cross multiply
    868,326.71x = 1,198,876.01 × 542,136.87
  4. Step 4: Simplify right side
    868,326.71x = 649,954,887,579.49
  5. Step 5: Solve for x
    x = 649,954,887,579.49/868,326.71
  6. Step 6: Final answer
    x = 748,514.22

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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.