Home / 1,280,822.96-1,766,391.42-1,062,686.24

Finding the Fourth Proportional to 1,280,822.96, 1,766,391.42 and 1,062,686.24

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Solution

The fourth proportional to 1,280,822.96, 1,766,391.42 and 1,062,686.24 is: 1,465,557.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,822.96 : 1,766,391.42 = 1,062,686.24 : x
  2. Step 2: Convert to fraction form
    1,280,822.96/1,766,391.42 = 1,062,686.24/x
  3. Step 3: Cross multiply
    1,280,822.96x = 1,766,391.42 × 1,062,686.24
  4. Step 4: Simplify right side
    1,280,822.96x = 1,877,119,856,488.06
  5. Step 5: Solve for x
    x = 1,877,119,856,488.06/1,280,822.96
  6. Step 6: Final answer
    x = 1,465,557.63

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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.