Home / 722,229.55-1,083,341.76-216,788.34

Finding the Fourth Proportional to 722,229.55, 1,083,341.76 and 216,788.34

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Solution

The fourth proportional to 722,229.55, 1,083,341.76 and 216,788.34 is: 325,181.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,229.55 : 1,083,341.76 = 216,788.34 : x
  2. Step 2: Convert to fraction form
    722,229.55/1,083,341.76 = 216,788.34/x
  3. Step 3: Cross multiply
    722,229.55x = 1,083,341.76 × 216,788.34
  4. Step 4: Simplify right side
    722,229.55x = 234,855,861,803.08
  5. Step 5: Solve for x
    x = 234,855,861,803.08/722,229.55
  6. Step 6: Final answer
    x = 325,181.74

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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.