Home / 451,874.79-623,583.18-247,921.83

Finding the Fourth Proportional to 451,874.79, 623,583.18 and 247,921.83

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Solution

The fourth proportional to 451,874.79, 623,583.18 and 247,921.83 is: 342,129.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,874.79 : 623,583.18 = 247,921.83 : x
  2. Step 2: Convert to fraction form
    451,874.79/623,583.18 = 247,921.83/x
  3. Step 3: Cross multiply
    451,874.79x = 623,583.18 × 247,921.83
  4. Step 4: Simplify right side
    451,874.79x = 154,599,883,142.82
  5. Step 5: Solve for x
    x = 154,599,883,142.82/451,874.79
  6. Step 6: Final answer
    x = 342,129.91

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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.