Home / 743,465.59-1,115,199.26-203,726.41

Finding the Fourth Proportional to 743,465.59, 1,115,199.26 and 203,726.41

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Solution

The fourth proportional to 743,465.59, 1,115,199.26 and 203,726.41 is: 305,589.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,465.59 : 1,115,199.26 = 203,726.41 : x
  2. Step 2: Convert to fraction form
    743,465.59/1,115,199.26 = 203,726.41/x
  3. Step 3: Cross multiply
    743,465.59x = 1,115,199.26 × 203,726.41
  4. Step 4: Simplify right side
    743,465.59x = 227,195,538,631.80
  5. Step 5: Solve for x
    x = 227,195,538,631.80/743,465.59
  6. Step 6: Final answer
    x = 305,589.85

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Double scale
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Similar ratio
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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.