Home / 755,909.55-1,043,155.26-416,377.80

Finding the Fourth Proportional to 755,909.55, 1,043,155.26 and 416,377.80

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Solution

The fourth proportional to 755,909.55, 1,043,155.26 and 416,377.80 is: 574,601.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,909.55 : 1,043,155.26 = 416,377.80 : x
  2. Step 2: Convert to fraction form
    755,909.55/1,043,155.26 = 416,377.80/x
  3. Step 3: Cross multiply
    755,909.55x = 1,043,155.26 × 416,377.80
  4. Step 4: Simplify right side
    755,909.55x = 434,346,692,217.23
  5. Step 5: Solve for x
    x = 434,346,692,217.23/755,909.55
  6. Step 6: Final answer
    x = 574,601.41

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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.