Home / 325,535.36-449,394.56-216,820.62

Finding the Fourth Proportional to 325,535.36, 449,394.56 and 216,820.62

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Solution

The fourth proportional to 325,535.36, 449,394.56 and 216,820.62 is: 299,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,535.36 : 449,394.56 = 216,820.62 : x
  2. Step 2: Convert to fraction form
    325,535.36/449,394.56 = 216,820.62/x
  3. Step 3: Cross multiply
    325,535.36x = 449,394.56 × 216,820.62
  4. Step 4: Simplify right side
    325,535.36x = 97,438,007,123.83
  5. Step 5: Solve for x
    x = 97,438,007,123.83/325,535.36
  6. Step 6: Final answer
    x = 299,316.20

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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.