Home / 414,399.18-571,864.90-230,636.50

Finding the Fourth Proportional to 414,399.18, 571,864.90 and 230,636.50

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Solution

The fourth proportional to 414,399.18, 571,864.90 and 230,636.50 is: 318,275.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,399.18 : 571,864.90 = 230,636.50 : x
  2. Step 2: Convert to fraction form
    414,399.18/571,864.90 = 230,636.50/x
  3. Step 3: Cross multiply
    414,399.18x = 571,864.90 × 230,636.50
  4. Step 4: Simplify right side
    414,399.18x = 131,892,920,982.76
  5. Step 5: Solve for x
    x = 131,892,920,982.76/414,399.18
  6. Step 6: Final answer
    x = 318,275.06

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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.