Home / 894,103.96-1,233,838.86-491,695.96

Finding the Fourth Proportional to 894,103.96, 1,233,838.86 and 491,695.96

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Solution

The fourth proportional to 894,103.96, 1,233,838.86 and 491,695.96 is: 678,526.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,103.96 : 1,233,838.86 = 491,695.96 : x
  2. Step 2: Convert to fraction form
    894,103.96/1,233,838.86 = 491,695.96/x
  3. Step 3: Cross multiply
    894,103.96x = 1,233,838.86 × 491,695.96
  4. Step 4: Simplify right side
    894,103.96x = 606,673,582,753.01
  5. Step 5: Solve for x
    x = 606,673,582,753.01/894,103.96
  6. Step 6: Final answer
    x = 678,526.89

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.