Home / 1,279,053.86-1,765,099.96-706,098.74

Finding the Fourth Proportional to 1,279,053.86, 1,765,099.96 and 706,098.74

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Solution

The fourth proportional to 1,279,053.86, 1,765,099.96 and 706,098.74 is: 974,419.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,053.86 : 1,765,099.96 = 706,098.74 : x
  2. Step 2: Convert to fraction form
    1,279,053.86/1,765,099.96 = 706,098.74/x
  3. Step 3: Cross multiply
    1,279,053.86x = 1,765,099.96 × 706,098.74
  4. Step 4: Simplify right side
    1,279,053.86x = 1,246,334,847,139.30
  5. Step 5: Solve for x
    x = 1,246,334,847,139.30/1,279,053.86
  6. Step 6: Final answer
    x = 974,419.37

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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.