Home / 1,068,115.61-1,601,066.20-667,837.20

Finding the Fourth Proportional to 1,068,115.61, 1,601,066.20 and 667,837.20

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Solution

The fourth proportional to 1,068,115.61, 1,601,066.20 and 667,837.20 is: 1,001,063.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,115.61 : 1,601,066.20 = 667,837.20 : x
  2. Step 2: Convert to fraction form
    1,068,115.61/1,601,066.20 = 667,837.20/x
  3. Step 3: Cross multiply
    1,068,115.61x = 1,601,066.20 × 667,837.20
  4. Step 4: Simplify right side
    1,068,115.61x = 1,069,251,573,609.24
  5. Step 5: Solve for x
    x = 1,069,251,573,609.24/1,068,115.61
  6. Step 6: Final answer
    x = 1,001,063.52

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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.