Home / 835,641.20-1,253,999.40-461,932.40

Finding the Fourth Proportional to 835,641.20, 1,253,999.40 and 461,932.40

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Solution

The fourth proportional to 835,641.20, 1,253,999.40 and 461,932.40 is: 693,195.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,641.20 : 1,253,999.40 = 461,932.40 : x
  2. Step 2: Convert to fraction form
    835,641.20/1,253,999.40 = 461,932.40/x
  3. Step 3: Cross multiply
    835,641.20x = 1,253,999.40 × 461,932.40
  4. Step 4: Simplify right side
    835,641.20x = 579,262,952,440.56
  5. Step 5: Solve for x
    x = 579,262,952,440.56/835,641.20
  6. Step 6: Final answer
    x = 693,195.78

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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.