Home / 382,040.04-527,192.10-212,268.36

Finding the Fourth Proportional to 382,040.04, 527,192.10 and 212,268.36

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Solution

The fourth proportional to 382,040.04, 527,192.10 and 212,268.36 is: 292,917.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,040.04 : 527,192.10 = 212,268.36 : x
  2. Step 2: Convert to fraction form
    382,040.04/527,192.10 = 212,268.36/x
  3. Step 3: Cross multiply
    382,040.04x = 527,192.10 × 212,268.36
  4. Step 4: Simplify right side
    382,040.04x = 111,906,202,471.96
  5. Step 5: Solve for x
    x = 111,906,202,471.96/382,040.04
  6. Step 6: Final answer
    x = 292,917.47

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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.