Home / 598,718.25-826,231.19-408,064.70

Finding the Fourth Proportional to 598,718.25, 826,231.19 and 408,064.70

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Solution

The fourth proportional to 598,718.25, 826,231.19 and 408,064.70 is: 563,129.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,718.25 : 826,231.19 = 408,064.70 : x
  2. Step 2: Convert to fraction form
    598,718.25/826,231.19 = 408,064.70/x
  3. Step 3: Cross multiply
    598,718.25x = 826,231.19 × 408,064.70
  4. Step 4: Simplify right side
    598,718.25x = 337,155,782,703.25
  5. Step 5: Solve for x
    x = 337,155,782,703.25/598,718.25
  6. Step 6: Final answer
    x = 563,129.29

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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.