Home / 755,111.60-1,042,078.20-432,882.80

Finding the Fourth Proportional to 755,111.60, 1,042,078.20 and 432,882.80

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Solution

The fourth proportional to 755,111.60, 1,042,078.20 and 432,882.80 is: 597,392.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,111.60 : 1,042,078.20 = 432,882.80 : x
  2. Step 2: Convert to fraction form
    755,111.60/1,042,078.20 = 432,882.80/x
  3. Step 3: Cross multiply
    755,111.60x = 1,042,078.20 × 432,882.80
  4. Step 4: Simplify right side
    755,111.60x = 451,097,729,034.96
  5. Step 5: Solve for x
    x = 451,097,729,034.96/755,111.60
  6. Step 6: Final answer
    x = 597,392.13

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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.