Home / 1,251,122.70-1,726,552.95-678,165.18

Finding the Fourth Proportional to 1,251,122.70, 1,726,552.95 and 678,165.18

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Solution

The fourth proportional to 1,251,122.70, 1,726,552.95 and 678,165.18 is: 935,869.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,122.70 : 1,726,552.95 = 678,165.18 : x
  2. Step 2: Convert to fraction form
    1,251,122.70/1,726,552.95 = 678,165.18/x
  3. Step 3: Cross multiply
    1,251,122.70x = 1,726,552.95 × 678,165.18
  4. Step 4: Simplify right side
    1,251,122.70x = 1,170,888,092,116.28
  5. Step 5: Solve for x
    x = 1,170,888,092,116.28/1,251,122.70
  6. Step 6: Final answer
    x = 935,869.91

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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.