Home / 1,581,625.68-2,182,799.56-902,663.76

Finding the Fourth Proportional to 1,581,625.68, 2,182,799.56 and 902,663.76

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Solution

The fourth proportional to 1,581,625.68, 2,182,799.56 and 902,663.76 is: 1,245,765.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,625.68 : 2,182,799.56 = 902,663.76 : x
  2. Step 2: Convert to fraction form
    1,581,625.68/2,182,799.56 = 902,663.76/x
  3. Step 3: Cross multiply
    1,581,625.68x = 2,182,799.56 × 902,663.76
  4. Step 4: Simplify right side
    1,581,625.68x = 1,970,334,058,155.95
  5. Step 5: Solve for x
    x = 1,970,334,058,155.95/1,581,625.68
  6. Step 6: Final answer
    x = 1,245,765.09

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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.