Home / 749,104.22-1,123,689.14-216,679.07

Finding the Fourth Proportional to 749,104.22, 1,123,689.14 and 216,679.07

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Solution

The fourth proportional to 749,104.22, 1,123,689.14 and 216,679.07 is: 325,028.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,104.22 : 1,123,689.14 = 216,679.07 : x
  2. Step 2: Convert to fraction form
    749,104.22/1,123,689.14 = 216,679.07/x
  3. Step 3: Cross multiply
    749,104.22x = 1,123,689.14 × 216,679.07
  4. Step 4: Simplify right side
    749,104.22x = 243,479,920,362.67
  5. Step 5: Solve for x
    x = 243,479,920,362.67/749,104.22
  6. Step 6: Final answer
    x = 325,028.10

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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.