Home / 896,540.30-1,344,810.45-327,920.30

Finding the Fourth Proportional to 896,540.30, 1,344,810.45 and 327,920.30

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Solution

The fourth proportional to 896,540.30, 1,344,810.45 and 327,920.30 is: 491,880.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,540.30 : 1,344,810.45 = 327,920.30 : x
  2. Step 2: Convert to fraction form
    896,540.30/1,344,810.45 = 327,920.30/x
  3. Step 3: Cross multiply
    896,540.30x = 1,344,810.45 × 327,920.30
  4. Step 4: Simplify right side
    896,540.30x = 440,990,646,207.14
  5. Step 5: Solve for x
    x = 440,990,646,207.14/896,540.30
  6. Step 6: Final answer
    x = 491,880.45

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Double scale
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Similar ratio
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1.5x scale

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.