Home / 324,966.18-448,515.32-217,723.20

Finding the Fourth Proportional to 324,966.18, 448,515.32 and 217,723.20

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Solution

The fourth proportional to 324,966.18, 448,515.32 and 217,723.20 is: 300,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,966.18 : 448,515.32 = 217,723.20 : x
  2. Step 2: Convert to fraction form
    324,966.18/448,515.32 = 217,723.20/x
  3. Step 3: Cross multiply
    324,966.18x = 448,515.32 × 217,723.20
  4. Step 4: Simplify right side
    324,966.18x = 97,652,190,719.42
  5. Step 5: Solve for x
    x = 97,652,190,719.42/324,966.18
  6. Step 6: Final answer
    x = 300,499.55

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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.