Home / 755,644.50-1,042,789.41-416,112.75

Finding the Fourth Proportional to 755,644.50, 1,042,789.41 and 416,112.75

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Solution

The fourth proportional to 755,644.50, 1,042,789.41 and 416,112.75 is: 574,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,644.50 : 1,042,789.41 = 416,112.75 : x
  2. Step 2: Convert to fraction form
    755,644.50/1,042,789.41 = 416,112.75/x
  3. Step 3: Cross multiply
    755,644.50x = 1,042,789.41 × 416,112.75
  4. Step 4: Simplify right side
    755,644.50x = 433,917,969,065.98
  5. Step 5: Solve for x
    x = 433,917,969,065.98/755,644.50
  6. Step 6: Final answer
    x = 574,235.60

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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.