Home / 725,992.57-1,001,931.75-403,765.46

Finding the Fourth Proportional to 725,992.57, 1,001,931.75 and 403,765.46

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Solution

The fourth proportional to 725,992.57, 1,001,931.75 and 403,765.46 is: 557,230.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,992.57 : 1,001,931.75 = 403,765.46 : x
  2. Step 2: Convert to fraction form
    725,992.57/1,001,931.75 = 403,765.46/x
  3. Step 3: Cross multiply
    725,992.57x = 1,001,931.75 × 403,765.46
  4. Step 4: Simplify right side
    725,992.57x = 404,545,433,810.53
  5. Step 5: Solve for x
    x = 404,545,433,810.53/725,992.57
  6. Step 6: Final answer
    x = 557,230.82

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1.5x scale

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.