Home / 1,728,519.20-2,592,001.20-663,207.20

Finding the Fourth Proportional to 1,728,519.20, 2,592,001.20 and 663,207.20

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Solution

The fourth proportional to 1,728,519.20, 2,592,001.20 and 663,207.20 is: 994,512.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,519.20 : 2,592,001.20 = 663,207.20 : x
  2. Step 2: Convert to fraction form
    1,728,519.20/2,592,001.20 = 663,207.20/x
  3. Step 3: Cross multiply
    1,728,519.20x = 2,592,001.20 × 663,207.20
  4. Step 4: Simplify right side
    1,728,519.20x = 1,719,033,858,248.64
  5. Step 5: Solve for x
    x = 1,719,033,858,248.64/1,728,519.20
  6. Step 6: Final answer
    x = 994,512.45

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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.