Home / 1,276,375.52-1,761,374.57-695,603.30

Finding the Fourth Proportional to 1,276,375.52, 1,761,374.57 and 695,603.30

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Solution

The fourth proportional to 1,276,375.52, 1,761,374.57 and 695,603.30 is: 959,919.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,375.52 : 1,761,374.57 = 695,603.30 : x
  2. Step 2: Convert to fraction form
    1,276,375.52/1,761,374.57 = 695,603.30/x
  3. Step 3: Cross multiply
    1,276,375.52x = 1,761,374.57 × 695,603.30
  4. Step 4: Simplify right side
    1,276,375.52x = 1,225,217,951,143.19
  5. Step 5: Solve for x
    x = 1,225,217,951,143.19/1,276,375.52
  6. Step 6: Final answer
    x = 959,919.65

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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.