Home / 886,451.46-1,223,348.81-542,179.38

Finding the Fourth Proportional to 886,451.46, 1,223,348.81 and 542,179.38

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Solution

The fourth proportional to 886,451.46, 1,223,348.81 and 542,179.38 is: 748,235.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,451.46 : 1,223,348.81 = 542,179.38 : x
  2. Step 2: Convert to fraction form
    886,451.46/1,223,348.81 = 542,179.38/x
  3. Step 3: Cross multiply
    886,451.46x = 1,223,348.81 × 542,179.38
  4. Step 4: Simplify right side
    886,451.46x = 663,274,496,618.64
  5. Step 5: Solve for x
    x = 663,274,496,618.64/886,451.46
  6. Step 6: Final answer
    x = 748,235.55

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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.