Home / 1,386,551.70-2,079,799.71-628,251.83

Finding the Fourth Proportional to 1,386,551.70, 2,079,799.71 and 628,251.83

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Solution

The fourth proportional to 1,386,551.70, 2,079,799.71 and 628,251.83 is: 942,365.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,551.70 : 2,079,799.71 = 628,251.83 : x
  2. Step 2: Convert to fraction form
    1,386,551.70/2,079,799.71 = 628,251.83/x
  3. Step 3: Cross multiply
    1,386,551.70x = 2,079,799.71 × 628,251.83
  4. Step 4: Simplify right side
    1,386,551.70x = 1,306,637,963,441.97
  5. Step 5: Solve for x
    x = 1,306,637,963,441.97/1,386,551.70
  6. Step 6: Final answer
    x = 942,365.12

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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.