Home / 1,279,086.90-1,765,093.64-706,114.78

Finding the Fourth Proportional to 1,279,086.90, 1,765,093.64 and 706,114.78

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Solution

The fourth proportional to 1,279,086.90, 1,765,093.64 and 706,114.78 is: 974,412.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,086.90 : 1,765,093.64 = 706,114.78 : x
  2. Step 2: Convert to fraction form
    1,279,086.90/1,765,093.64 = 706,114.78/x
  3. Step 3: Cross multiply
    1,279,086.90x = 1,765,093.64 × 706,114.78
  4. Step 4: Simplify right side
    1,279,086.90x = 1,246,358,707,288.00
  5. Step 5: Solve for x
    x = 1,246,358,707,288.00/1,279,086.90
  6. Step 6: Final answer
    x = 974,412.85

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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.