Home / 587,561.56-811,082.98-396,833.29

Finding the Fourth Proportional to 587,561.56, 811,082.98 and 396,833.29

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Solution

The fourth proportional to 587,561.56, 811,082.98 and 396,833.29 is: 547,797.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,561.56 : 811,082.98 = 396,833.29 : x
  2. Step 2: Convert to fraction form
    587,561.56/811,082.98 = 396,833.29/x
  3. Step 3: Cross multiply
    587,561.56x = 811,082.98 × 396,833.29
  4. Step 4: Simplify right side
    587,561.56x = 321,864,727,416.40
  5. Step 5: Solve for x
    x = 321,864,727,416.40/587,561.56
  6. Step 6: Final answer
    x = 547,797.46

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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.