Home / 1,865,187.80-2,797,781.41-517,350.38

Finding the Fourth Proportional to 1,865,187.80, 2,797,781.41 and 517,350.38

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Solution

The fourth proportional to 1,865,187.80, 2,797,781.41 and 517,350.38 is: 776,025.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,187.80 : 2,797,781.41 = 517,350.38 : x
  2. Step 2: Convert to fraction form
    1,865,187.80/2,797,781.41 = 517,350.38/x
  3. Step 3: Cross multiply
    1,865,187.80x = 2,797,781.41 × 517,350.38
  4. Step 4: Simplify right side
    1,865,187.80x = 1,447,433,262,278.22
  5. Step 5: Solve for x
    x = 1,447,433,262,278.22/1,865,187.80
  6. Step 6: Final answer
    x = 776,025.48

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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.