Home / 587,572.49-811,098.09-396,844.22

Finding the Fourth Proportional to 587,572.49, 811,098.09 and 396,844.22

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Solution

The fourth proportional to 587,572.49, 811,098.09 and 396,844.22 is: 547,812.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,572.49 : 811,098.09 = 396,844.22 : x
  2. Step 2: Convert to fraction form
    587,572.49/811,098.09 = 396,844.22/x
  3. Step 3: Cross multiply
    587,572.49x = 811,098.09 × 396,844.22
  4. Step 4: Simplify right side
    587,572.49x = 321,879,588,869.54
  5. Step 5: Solve for x
    x = 321,879,588,869.54/587,572.49
  6. Step 6: Final answer
    x = 547,812.56

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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.