Home / 981,654.48-1,354,923.74-600,001.20

Finding the Fourth Proportional to 981,654.48, 1,354,923.74 and 600,001.20

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Solution

The fourth proportional to 981,654.48, 1,354,923.74 and 600,001.20 is: 828,148.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,654.48 : 1,354,923.74 = 600,001.20 : x
  2. Step 2: Convert to fraction form
    981,654.48/1,354,923.74 = 600,001.20/x
  3. Step 3: Cross multiply
    981,654.48x = 1,354,923.74 × 600,001.20
  4. Step 4: Simplify right side
    981,654.48x = 812,955,869,908.49
  5. Step 5: Solve for x
    x = 812,955,869,908.49/981,654.48
  6. Step 6: Final answer
    x = 828,148.69

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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.