Home / 451,648.11-623,285.84-247,707.15

Finding the Fourth Proportional to 451,648.11, 623,285.84 and 247,707.15

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Solution

The fourth proportional to 451,648.11, 623,285.84 and 247,707.15 is: 341,842.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,648.11 : 623,285.84 = 247,707.15 : x
  2. Step 2: Convert to fraction form
    451,648.11/623,285.84 = 247,707.15/x
  3. Step 3: Cross multiply
    451,648.11x = 623,285.84 × 247,707.15
  4. Step 4: Simplify right side
    451,648.11x = 154,392,357,823.22
  5. Step 5: Solve for x
    x = 154,392,357,823.22/451,648.11
  6. Step 6: Final answer
    x = 341,842.14

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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.