Home / 861,192.10-1,291,639.11-262,008.10

Finding the Fourth Proportional to 861,192.10, 1,291,639.11 and 262,008.10

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Solution

The fourth proportional to 861,192.10, 1,291,639.11 and 262,008.10 is: 392,966.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,192.10 : 1,291,639.11 = 262,008.10 : x
  2. Step 2: Convert to fraction form
    861,192.10/1,291,639.11 = 262,008.10/x
  3. Step 3: Cross multiply
    861,192.10x = 1,291,639.11 × 262,008.10
  4. Step 4: Simplify right side
    861,192.10x = 338,419,909,096.79
  5. Step 5: Solve for x
    x = 338,419,909,096.79/861,192.10
  6. Step 6: Final answer
    x = 392,966.81

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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.