Home / 1,279,077.89-1,765,081.23-706,105.76

Finding the Fourth Proportional to 1,279,077.89, 1,765,081.23 and 706,105.76

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Solution

The fourth proportional to 1,279,077.89, 1,765,081.23 and 706,105.76 is: 974,400.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,077.89 : 1,765,081.23 = 706,105.76 : x
  2. Step 2: Convert to fraction form
    1,279,077.89/1,765,081.23 = 706,105.76/x
  3. Step 3: Cross multiply
    1,279,077.89x = 1,765,081.23 × 706,105.76
  4. Step 4: Simplify right side
    1,279,077.89x = 1,246,334,011,897.58
  5. Step 5: Solve for x
    x = 1,246,334,011,897.58/1,279,077.89
  6. Step 6: Final answer
    x = 974,400.41

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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.