Home / 1,198,095.52-1,653,361.68-661,540

Finding the Fourth Proportional to 1,198,095.52, 1,653,361.68 and 661,540

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Solution

The fourth proportional to 1,198,095.52, 1,653,361.68 and 661,540 is: 912,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,095.52 : 1,653,361.68 = 661,540 : x
  2. Step 2: Convert to fraction form
    1,198,095.52/1,653,361.68 = 661,540/x
  3. Step 3: Cross multiply
    1,198,095.52x = 1,653,361.68 × 661,540
  4. Step 4: Simplify right side
    1,198,095.52x = 1,093,764,885,787.20
  5. Step 5: Solve for x
    x = 1,093,764,885,787.20/1,198,095.52
  6. Step 6: Final answer
    x = 912,919.60

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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.