Home / 1,124,722.20-1,687,083.30-1,124,722.20

Finding the Fourth Proportional to 1,124,722.20, 1,687,083.30 and 1,124,722.20

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Solution

The fourth proportional to 1,124,722.20, 1,687,083.30 and 1,124,722.20 is: 1,687,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,722.20 : 1,687,083.30 = 1,124,722.20 : x
  2. Step 2: Convert to fraction form
    1,124,722.20/1,687,083.30 = 1,124,722.20/x
  3. Step 3: Cross multiply
    1,124,722.20x = 1,687,083.30 × 1,124,722.20
  4. Step 4: Simplify right side
    1,124,722.20x = 1,897,500,040,759.26
  5. Step 5: Solve for x
    x = 1,897,500,040,759.26/1,124,722.20
  6. Step 6: Final answer
    x = 1,687,083.30

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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.