Home / 1,092,006.40-1,512,007.68-1,008,025.60

Finding the Fourth Proportional to 1,092,006.40, 1,512,007.68 and 1,008,025.60

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Solution

The fourth proportional to 1,092,006.40, 1,512,007.68 and 1,008,025.60 is: 1,395,726.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,006.40 : 1,512,007.68 = 1,008,025.60 : x
  2. Step 2: Convert to fraction form
    1,092,006.40/1,512,007.68 = 1,008,025.60/x
  3. Step 3: Cross multiply
    1,092,006.40x = 1,512,007.68 × 1,008,025.60
  4. Step 4: Simplify right side
    1,092,006.40x = 1,524,142,448,836.61
  5. Step 5: Solve for x
    x = 1,524,142,448,836.61/1,092,006.40
  6. Step 6: Final answer
    x = 1,395,726.66

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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.