Home / 326,016.18-449,735.52-217,307.70

Finding the Fourth Proportional to 326,016.18, 449,735.52 and 217,307.70

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Solution

The fourth proportional to 326,016.18, 449,735.52 and 217,307.70 is: 299,773.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,016.18 : 449,735.52 = 217,307.70 : x
  2. Step 2: Convert to fraction form
    326,016.18/449,735.52 = 217,307.70/x
  3. Step 3: Cross multiply
    326,016.18x = 449,735.52 × 217,307.70
  4. Step 4: Simplify right side
    326,016.18x = 97,730,991,459.50
  5. Step 5: Solve for x
    x = 97,730,991,459.50/326,016.18
  6. Step 6: Final answer
    x = 299,773.44

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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.