Home / 1,679,391.18-2,519,010.23-542,205.86

Finding the Fourth Proportional to 1,679,391.18, 2,519,010.23 and 542,205.86

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Solution

The fourth proportional to 1,679,391.18, 2,519,010.23 and 542,205.86 is: 813,284.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,391.18 : 2,519,010.23 = 542,205.86 : x
  2. Step 2: Convert to fraction form
    1,679,391.18/2,519,010.23 = 542,205.86/x
  3. Step 3: Cross multiply
    1,679,391.18x = 2,519,010.23 × 542,205.86
  4. Step 4: Simplify right side
    1,679,391.18x = 1,365,822,092,799.87
  5. Step 5: Solve for x
    x = 1,365,822,092,799.87/1,679,391.18
  6. Step 6: Final answer
    x = 813,284.07

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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.