Home / 981,586.23-1,354,035.78-589,017.64

Finding the Fourth Proportional to 981,586.23, 1,354,035.78 and 589,017.64

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Solution

The fourth proportional to 981,586.23, 1,354,035.78 and 589,017.64 is: 812,512.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,586.23 : 1,354,035.78 = 589,017.64 : x
  2. Step 2: Convert to fraction form
    981,586.23/1,354,035.78 = 589,017.64/x
  3. Step 3: Cross multiply
    981,586.23x = 1,354,035.78 × 589,017.64
  4. Step 4: Simplify right side
    981,586.23x = 797,550,961,635.76
  5. Step 5: Solve for x
    x = 797,550,961,635.76/981,586.23
  6. Step 6: Final answer
    x = 812,512.38

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Double scale
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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.