Home / 2,758,663.71-4,137,991.92-865,552.77

Finding the Fourth Proportional to 2,758,663.71, 4,137,991.92 and 865,552.77

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Solution

The fourth proportional to 2,758,663.71, 4,137,991.92 and 865,552.77 is: 1,298,328.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,663.71 : 4,137,991.92 = 865,552.77 : x
  2. Step 2: Convert to fraction form
    2,758,663.71/4,137,991.92 = 865,552.77/x
  3. Step 3: Cross multiply
    2,758,663.71x = 4,137,991.92 × 865,552.77
  4. Step 4: Simplify right side
    2,758,663.71x = 3,581,650,368,593.62
  5. Step 5: Solve for x
    x = 3,581,650,368,593.62/2,758,663.71
  6. Step 6: Final answer
    x = 1,298,328.01

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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.