Home / 1,976,386.88-2,963,853.92-679,171.20

Finding the Fourth Proportional to 1,976,386.88, 2,963,853.92 and 679,171.20

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Solution

The fourth proportional to 1,976,386.88, 2,963,853.92 and 679,171.20 is: 1,018,507.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,386.88 : 2,963,853.92 = 679,171.20 : x
  2. Step 2: Convert to fraction form
    1,976,386.88/2,963,853.92 = 679,171.20/x
  3. Step 3: Cross multiply
    1,976,386.88x = 2,963,853.92 × 679,171.20
  4. Step 4: Simplify right side
    1,976,386.88x = 2,012,964,223,471.10
  5. Step 5: Solve for x
    x = 2,012,964,223,471.10/1,976,386.88
  6. Step 6: Final answer
    x = 1,018,507.18

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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.