Home / 755,726.60-1,042,855.40-416,194.86

Finding the Fourth Proportional to 755,726.60, 1,042,855.40 and 416,194.86

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Solution

The fourth proportional to 755,726.60, 1,042,855.40 and 416,194.86 is: 574,322.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,726.60 : 1,042,855.40 = 416,194.86 : x
  2. Step 2: Convert to fraction form
    755,726.60/1,042,855.40 = 416,194.86/x
  3. Step 3: Cross multiply
    755,726.60x = 1,042,855.40 × 416,194.86
  4. Step 4: Simplify right side
    755,726.60x = 434,031,057,203.24
  5. Step 5: Solve for x
    x = 434,031,057,203.24/755,726.60
  6. Step 6: Final answer
    x = 574,322.85

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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.