Home / 674,764.56-931,175.04-368,842.20

Finding the Fourth Proportional to 674,764.56, 931,175.04 and 368,842.20

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Solution

The fourth proportional to 674,764.56, 931,175.04 and 368,842.20 is: 509,002.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,764.56 : 931,175.04 = 368,842.20 : x
  2. Step 2: Convert to fraction form
    674,764.56/931,175.04 = 368,842.20/x
  3. Step 3: Cross multiply
    674,764.56x = 931,175.04 × 368,842.20
  4. Step 4: Simplify right side
    674,764.56x = 343,456,650,338.69
  5. Step 5: Solve for x
    x = 343,456,650,338.69/674,764.56
  6. Step 6: Final answer
    x = 509,002.21

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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.