Home / 868,372.83-1,198,939.37-542,182.46

Finding the Fourth Proportional to 868,372.83, 1,198,939.37 and 542,182.46

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Solution

The fourth proportional to 868,372.83, 1,198,939.37 and 542,182.46 is: 748,576.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,372.83 : 1,198,939.37 = 542,182.46 : x
  2. Step 2: Convert to fraction form
    868,372.83/1,198,939.37 = 542,182.46/x
  3. Step 3: Cross multiply
    868,372.83x = 1,198,939.37 × 542,182.46
  4. Step 4: Simplify right side
    868,372.83x = 650,043,888,311.84
  5. Step 5: Solve for x
    x = 650,043,888,311.84/868,372.83
  6. Step 6: Final answer
    x = 748,576.95

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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.