Home / 724,663.78-1,082,115.77-591,807.58

Finding the Fourth Proportional to 724,663.78, 1,082,115.77 and 591,807.58

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Solution

The fourth proportional to 724,663.78, 1,082,115.77 and 591,807.58 is: 883,726.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,663.78 : 1,082,115.77 = 591,807.58 : x
  2. Step 2: Convert to fraction form
    724,663.78/1,082,115.77 = 591,807.58/x
  3. Step 3: Cross multiply
    724,663.78x = 1,082,115.77 × 591,807.58
  4. Step 4: Simplify right side
    724,663.78x = 640,404,315,123.54
  5. Step 5: Solve for x
    x = 640,404,315,123.54/724,663.78
  6. Step 6: Final answer
    x = 883,726.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.