Home / 451,539.24-623,131.32-247,608.72

Finding the Fourth Proportional to 451,539.24, 623,131.32 and 247,608.72

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Solution

The fourth proportional to 451,539.24, 623,131.32 and 247,608.72 is: 341,703.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,539.24 : 623,131.32 = 247,608.72 : x
  2. Step 2: Convert to fraction form
    451,539.24/623,131.32 = 247,608.72/x
  3. Step 3: Cross multiply
    451,539.24x = 623,131.32 × 247,608.72
  4. Step 4: Simplify right side
    451,539.24x = 154,292,748,537.11
  5. Step 5: Solve for x
    x = 154,292,748,537.11/451,539.24
  6. Step 6: Final answer
    x = 341,703.96

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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.