Home / 1,653,540.57-2,281,808.87-918,542.48

Finding the Fourth Proportional to 1,653,540.57, 2,281,808.87 and 918,542.48

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Solution

The fourth proportional to 1,653,540.57, 2,281,808.87 and 918,542.48 is: 1,267,545.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,540.57 : 2,281,808.87 = 918,542.48 : x
  2. Step 2: Convert to fraction form
    1,653,540.57/2,281,808.87 = 918,542.48/x
  3. Step 3: Cross multiply
    1,653,540.57x = 2,281,808.87 × 918,542.48
  4. Step 4: Simplify right side
    1,653,540.57x = 2,095,938,379,447.61
  5. Step 5: Solve for x
    x = 2,095,938,379,447.61/1,653,540.57
  6. Step 6: Final answer
    x = 1,267,545.78

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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.