Home / 725,804.17-1,001,499.87-415,658.53

Finding the Fourth Proportional to 725,804.17, 1,001,499.87 and 415,658.53

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Solution

The fourth proportional to 725,804.17, 1,001,499.87 and 415,658.53 is: 573,545.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,804.17 : 1,001,499.87 = 415,658.53 : x
  2. Step 2: Convert to fraction form
    725,804.17/1,001,499.87 = 415,658.53/x
  3. Step 3: Cross multiply
    725,804.17x = 1,001,499.87 × 415,658.53
  4. Step 4: Simplify right side
    725,804.17x = 416,281,963,759.39
  5. Step 5: Solve for x
    x = 416,281,963,759.39/725,804.17
  6. Step 6: Final answer
    x = 573,545.84

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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.