Home / 1,766,479.20-2,650,496.40-819,362.40

Finding the Fourth Proportional to 1,766,479.20, 2,650,496.40 and 819,362.40

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Solution

The fourth proportional to 1,766,479.20, 2,650,496.40 and 819,362.40 is: 1,229,404.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,479.20 : 2,650,496.40 = 819,362.40 : x
  2. Step 2: Convert to fraction form
    1,766,479.20/2,650,496.40 = 819,362.40/x
  3. Step 3: Cross multiply
    1,766,479.20x = 2,650,496.40 × 819,362.40
  4. Step 4: Simplify right side
    1,766,479.20x = 2,171,717,091,495.36
  5. Step 5: Solve for x
    x = 2,171,717,091,495.36/1,766,479.20
  6. Step 6: Final answer
    x = 1,229,404.28

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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.