Home / 451,731.94-623,390.92-247,784.51

Finding the Fourth Proportional to 451,731.94, 623,390.92 and 247,784.51

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Solution

The fourth proportional to 451,731.94, 623,390.92 and 247,784.51 is: 341,943.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,731.94 : 623,390.92 = 247,784.51 : x
  2. Step 2: Convert to fraction form
    451,731.94/623,390.92 = 247,784.51/x
  3. Step 3: Cross multiply
    451,731.94x = 623,390.92 × 247,784.51
  4. Step 4: Simplify right side
    451,731.94x = 154,466,614,589.67
  5. Step 5: Solve for x
    x = 154,466,614,589.67/451,731.94
  6. Step 6: Final answer
    x = 341,943.09

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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.