Home / 1,000,761.65-1,380,996.36-587,242.74

Finding the Fourth Proportional to 1,000,761.65, 1,380,996.36 and 587,242.74

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Solution

The fourth proportional to 1,000,761.65, 1,380,996.36 and 587,242.74 is: 810,362.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,761.65 : 1,380,996.36 = 587,242.74 : x
  2. Step 2: Convert to fraction form
    1,000,761.65/1,380,996.36 = 587,242.74/x
  3. Step 3: Cross multiply
    1,000,761.65x = 1,380,996.36 × 587,242.74
  4. Step 4: Simplify right side
    1,000,761.65x = 810,980,086,376.43
  5. Step 5: Solve for x
    x = 810,980,086,376.43/1,000,761.65
  6. Step 6: Final answer
    x = 810,362.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.