Home / 867,408.92-1,197,759.12-545,222.78

Finding the Fourth Proportional to 867,408.92, 1,197,759.12 and 545,222.78

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Solution

The fourth proportional to 867,408.92, 1,197,759.12 and 545,222.78 is: 752,869.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,408.92 : 1,197,759.12 = 545,222.78 : x
  2. Step 2: Convert to fraction form
    867,408.92/1,197,759.12 = 545,222.78/x
  3. Step 3: Cross multiply
    867,408.92x = 1,197,759.12 × 545,222.78
  4. Step 4: Simplify right side
    867,408.92x = 653,045,557,176.75
  5. Step 5: Solve for x
    x = 653,045,557,176.75/867,408.92
  6. Step 6: Final answer
    x = 752,869.31

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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.