Home / 724,822.60-1,086,542.70-564,809.80

Finding the Fourth Proportional to 724,822.60, 1,086,542.70 and 564,809.80

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Solution

The fourth proportional to 724,822.60, 1,086,542.70 and 564,809.80 is: 846,676.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,822.60 : 1,086,542.70 = 564,809.80 : x
  2. Step 2: Convert to fraction form
    724,822.60/1,086,542.70 = 564,809.80/x
  3. Step 3: Cross multiply
    724,822.60x = 1,086,542.70 × 564,809.80
  4. Step 4: Simplify right side
    724,822.60x = 613,689,965,078.46
  5. Step 5: Solve for x
    x = 613,689,965,078.46/724,822.60
  6. Step 6: Final answer
    x = 846,676.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.