Home / 619,824.46-929,414.10-220,407.19

Finding the Fourth Proportional to 619,824.46, 929,414.10 and 220,407.19

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Solution

The fourth proportional to 619,824.46, 929,414.10 and 220,407.19 is: 330,496.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,824.46 : 929,414.10 = 220,407.19 : x
  2. Step 2: Convert to fraction form
    619,824.46/929,414.10 = 220,407.19/x
  3. Step 3: Cross multiply
    619,824.46x = 929,414.10 × 220,407.19
  4. Step 4: Simplify right side
    619,824.46x = 204,849,550,127.38
  5. Step 5: Solve for x
    x = 204,849,550,127.38/619,824.46
  6. Step 6: Final answer
    x = 330,496.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.