Home / 1,279,531.68-1,765,754.28-706,610.76

Finding the Fourth Proportional to 1,279,531.68, 1,765,754.28 and 706,610.76

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Solution

The fourth proportional to 1,279,531.68, 1,765,754.28 and 706,610.76 is: 975,123.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,531.68 : 1,765,754.28 = 706,610.76 : x
  2. Step 2: Convert to fraction form
    1,279,531.68/1,765,754.28 = 706,610.76/x
  3. Step 3: Cross multiply
    1,279,531.68x = 1,765,754.28 × 706,610.76
  4. Step 4: Simplify right side
    1,279,531.68x = 1,247,700,973,764.05
  5. Step 5: Solve for x
    x = 1,247,700,973,764.05/1,279,531.68
  6. Step 6: Final answer
    x = 975,123.16

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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.