Home / 968,990.42-1,337,193.72-539,270.43

Finding the Fourth Proportional to 968,990.42, 1,337,193.72 and 539,270.43

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Solution

The fourth proportional to 968,990.42, 1,337,193.72 and 539,270.43 is: 744,185.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,990.42 : 1,337,193.72 = 539,270.43 : x
  2. Step 2: Convert to fraction form
    968,990.42/1,337,193.72 = 539,270.43/x
  3. Step 3: Cross multiply
    968,990.42x = 1,337,193.72 × 539,270.43
  4. Step 4: Simplify right side
    968,990.42x = 721,109,032,377.70
  5. Step 5: Solve for x
    x = 721,109,032,377.70/968,990.42
  6. Step 6: Final answer
    x = 744,185.93

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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.