Home / 371,331.40-556,997.10-219,772.30

Finding the Fourth Proportional to 371,331.40, 556,997.10 and 219,772.30

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Solution

The fourth proportional to 371,331.40, 556,997.10 and 219,772.30 is: 329,658.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,331.40 : 556,997.10 = 219,772.30 : x
  2. Step 2: Convert to fraction form
    371,331.40/556,997.10 = 219,772.30/x
  3. Step 3: Cross multiply
    371,331.40x = 556,997.10 × 219,772.30
  4. Step 4: Simplify right side
    371,331.40x = 122,412,533,760.33
  5. Step 5: Solve for x
    x = 122,412,533,760.33/371,331.40
  6. Step 6: Final answer
    x = 329,658.45

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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.