Home / 1,008,418.68-1,391,611.14-555,710.04

Finding the Fourth Proportional to 1,008,418.68, 1,391,611.14 and 555,710.04

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Solution

The fourth proportional to 1,008,418.68, 1,391,611.14 and 555,710.04 is: 766,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,418.68 : 1,391,611.14 = 555,710.04 : x
  2. Step 2: Convert to fraction form
    1,008,418.68/1,391,611.14 = 555,710.04/x
  3. Step 3: Cross multiply
    1,008,418.68x = 1,391,611.14 × 555,710.04
  4. Step 4: Simplify right side
    1,008,418.68x = 773,332,282,273.85
  5. Step 5: Solve for x
    x = 773,332,282,273.85/1,008,418.68
  6. Step 6: Final answer
    x = 766,876.20

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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.