Home / 451,431.54-622,545.75-270,114.66

Finding the Fourth Proportional to 451,431.54, 622,545.75 and 270,114.66

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Solution

The fourth proportional to 451,431.54, 622,545.75 and 270,114.66 is: 372,501.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,431.54 : 622,545.75 = 270,114.66 : x
  2. Step 2: Convert to fraction form
    451,431.54/622,545.75 = 270,114.66/x
  3. Step 3: Cross multiply
    451,431.54x = 622,545.75 × 270,114.66
  4. Step 4: Simplify right side
    451,431.54x = 168,158,733,595.70
  5. Step 5: Solve for x
    x = 168,158,733,595.70/451,431.54
  6. Step 6: Final answer
    x = 372,501.07

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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.