Home / 1,639,579.18-2,262,623.28-914,473.87

Finding the Fourth Proportional to 1,639,579.18, 2,262,623.28 and 914,473.87

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Solution

The fourth proportional to 1,639,579.18, 2,262,623.28 and 914,473.87 is: 1,261,976.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,579.18 : 2,262,623.28 = 914,473.87 : x
  2. Step 2: Convert to fraction form
    1,639,579.18/2,262,623.28 = 914,473.87/x
  3. Step 3: Cross multiply
    1,639,579.18x = 2,262,623.28 × 914,473.87
  4. Step 4: Simplify right side
    1,639,579.18x = 2,069,109,867,213.69
  5. Step 5: Solve for x
    x = 2,069,109,867,213.69/1,639,579.18
  6. Step 6: Final answer
    x = 1,261,976.18

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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.