Home / 1,086,440.88-1,499,363.92-627,710.34

Finding the Fourth Proportional to 1,086,440.88, 1,499,363.92 and 627,710.34

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Solution

The fourth proportional to 1,086,440.88, 1,499,363.92 and 627,710.34 is: 866,283.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,440.88 : 1,499,363.92 = 627,710.34 : x
  2. Step 2: Convert to fraction form
    1,086,440.88/1,499,363.92 = 627,710.34/x
  3. Step 3: Cross multiply
    1,086,440.88x = 1,499,363.92 × 627,710.34
  4. Step 4: Simplify right side
    1,086,440.88x = 941,166,236,006.93
  5. Step 5: Solve for x
    x = 941,166,236,006.93/1,086,440.88
  6. Step 6: Final answer
    x = 866,283.89

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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.