Home / 1,617,073.80-2,427,165.90-819,256.20

Finding the Fourth Proportional to 1,617,073.80, 2,427,165.90 and 819,256.20

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Solution

The fourth proportional to 1,617,073.80, 2,427,165.90 and 819,256.20 is: 1,229,672.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,073.80 : 2,427,165.90 = 819,256.20 : x
  2. Step 2: Convert to fraction form
    1,617,073.80/2,427,165.90 = 819,256.20/x
  3. Step 3: Cross multiply
    1,617,073.80x = 2,427,165.90 × 819,256.20
  4. Step 4: Simplify right side
    1,617,073.80x = 1,988,470,712,003.58
  5. Step 5: Solve for x
    x = 1,988,470,712,003.58/1,617,073.80
  6. Step 6: Final answer
    x = 1,229,672.21

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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.