Home / 1,138,438.20-1,709,625.60-606,997.20

Finding the Fourth Proportional to 1,138,438.20, 1,709,625.60 and 606,997.20

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Solution

The fourth proportional to 1,138,438.20, 1,709,625.60 and 606,997.20 is: 911,545.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,438.20 : 1,709,625.60 = 606,997.20 : x
  2. Step 2: Convert to fraction form
    1,138,438.20/1,709,625.60 = 606,997.20/x
  3. Step 3: Cross multiply
    1,138,438.20x = 1,709,625.60 × 606,997.20
  4. Step 4: Simplify right side
    1,138,438.20x = 1,037,737,952,248.32
  5. Step 5: Solve for x
    x = 1,037,737,952,248.32/1,138,438.20
  6. Step 6: Final answer
    x = 911,545.27

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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.