Home / 1,297,749.60-1,790,773.92-838,874.88

Finding the Fourth Proportional to 1,297,749.60, 1,790,773.92 and 838,874.88

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Solution

The fourth proportional to 1,297,749.60, 1,790,773.92 and 838,874.88 is: 1,157,569.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,749.60 : 1,790,773.92 = 838,874.88 : x
  2. Step 2: Convert to fraction form
    1,297,749.60/1,790,773.92 = 838,874.88/x
  3. Step 3: Cross multiply
    1,297,749.60x = 1,790,773.92 × 838,874.88
  4. Step 4: Simplify right side
    1,297,749.60x = 1,502,235,257,247.13
  5. Step 5: Solve for x
    x = 1,502,235,257,247.13/1,297,749.60
  6. Step 6: Final answer
    x = 1,157,569.42

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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.