Home / 434,665.40-651,998.10-275,233.10

Finding the Fourth Proportional to 434,665.40, 651,998.10 and 275,233.10

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Solution

The fourth proportional to 434,665.40, 651,998.10 and 275,233.10 is: 412,849.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,665.40 : 651,998.10 = 275,233.10 : x
  2. Step 2: Convert to fraction form
    434,665.40/651,998.10 = 275,233.10/x
  3. Step 3: Cross multiply
    434,665.40x = 651,998.10 × 275,233.10
  4. Step 4: Simplify right side
    434,665.40x = 179,451,458,257.11
  5. Step 5: Solve for x
    x = 179,451,458,257.11/434,665.40
  6. Step 6: Final answer
    x = 412,849.65

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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.