Home / 838,765.20-1,257,098.58-660,568.44

Finding the Fourth Proportional to 838,765.20, 1,257,098.58 and 660,568.44

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Solution

The fourth proportional to 838,765.20, 1,257,098.58 and 660,568.44 is: 990,026.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,765.20 : 1,257,098.58 = 660,568.44 : x
  2. Step 2: Convert to fraction form
    838,765.20/1,257,098.58 = 660,568.44/x
  3. Step 3: Cross multiply
    838,765.20x = 1,257,098.58 × 660,568.44
  4. Step 4: Simplify right side
    838,765.20x = 830,399,647,916.82
  5. Step 5: Solve for x
    x = 830,399,647,916.82/838,765.20
  6. Step 6: Final answer
    x = 990,026.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.