Home / 587,572.48-811,098.10-396,844.22

Finding the Fourth Proportional to 587,572.48, 811,098.10 and 396,844.22

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Solution

The fourth proportional to 587,572.48, 811,098.10 and 396,844.22 is: 547,812.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,572.48 : 811,098.10 = 396,844.22 : x
  2. Step 2: Convert to fraction form
    587,572.48/811,098.10 = 396,844.22/x
  3. Step 3: Cross multiply
    587,572.48x = 811,098.10 × 396,844.22
  4. Step 4: Simplify right side
    587,572.48x = 321,879,592,837.98
  5. Step 5: Solve for x
    x = 321,879,592,837.98/587,572.48
  6. Step 6: Final answer
    x = 547,812.57

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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.