Home / 724,617.20-1,086,925.80-558,729.20

Finding the Fourth Proportional to 724,617.20, 1,086,925.80 and 558,729.20

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Solution

The fourth proportional to 724,617.20, 1,086,925.80 and 558,729.20 is: 838,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,617.20 : 1,086,925.80 = 558,729.20 : x
  2. Step 2: Convert to fraction form
    724,617.20/1,086,925.80 = 558,729.20/x
  3. Step 3: Cross multiply
    724,617.20x = 1,086,925.80 × 558,729.20
  4. Step 4: Simplify right side
    724,617.20x = 607,297,182,693.36
  5. Step 5: Solve for x
    x = 607,297,182,693.36/724,617.20
  6. Step 6: Final answer
    x = 838,093.80

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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.