Home / 684,148.56-944,126.46-382,342.56

Finding the Fourth Proportional to 684,148.56, 944,126.46 and 382,342.56

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Solution

The fourth proportional to 684,148.56, 944,126.46 and 382,342.56 is: 527,633.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,148.56 : 944,126.46 = 382,342.56 : x
  2. Step 2: Convert to fraction form
    684,148.56/944,126.46 = 382,342.56/x
  3. Step 3: Cross multiply
    684,148.56x = 944,126.46 × 382,342.56
  4. Step 4: Simplify right side
    684,148.56x = 360,979,727,680.14
  5. Step 5: Solve for x
    x = 360,979,727,680.14/684,148.56
  6. Step 6: Final answer
    x = 527,633.54

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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.