Home / 1,221,240.40-1,831,561.92-954,338.96

Finding the Fourth Proportional to 1,221,240.40, 1,831,561.92 and 954,338.96

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Solution

The fourth proportional to 1,221,240.40, 1,831,561.92 and 954,338.96 is: 1,431,275.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,240.40 : 1,831,561.92 = 954,338.96 : x
  2. Step 2: Convert to fraction form
    1,221,240.40/1,831,561.92 = 954,338.96/x
  3. Step 3: Cross multiply
    1,221,240.40x = 1,831,561.92 × 954,338.96
  4. Step 4: Simplify right side
    1,221,240.40x = 1,747,930,897,908.40
  5. Step 5: Solve for x
    x = 1,747,930,897,908.40/1,221,240.40
  6. Step 6: Final answer
    x = 1,431,275.04

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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.