Home / 1,279,091.40-1,765,099.86-706,119.28

Finding the Fourth Proportional to 1,279,091.40, 1,765,099.86 and 706,119.28

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Solution

The fourth proportional to 1,279,091.40, 1,765,099.86 and 706,119.28 is: 974,419.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,091.40 : 1,765,099.86 = 706,119.28 : x
  2. Step 2: Convert to fraction form
    1,279,091.40/1,765,099.86 = 706,119.28/x
  3. Step 3: Cross multiply
    1,279,091.40x = 1,765,099.86 × 706,119.28
  4. Step 4: Simplify right side
    1,279,091.40x = 1,246,371,042,271.30
  5. Step 5: Solve for x
    x = 1,246,371,042,271.30/1,279,091.40
  6. Step 6: Final answer
    x = 974,419.06

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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.