Home / 451,965.15-623,710.19-248,019.50

Finding the Fourth Proportional to 451,965.15, 623,710.19 and 248,019.50

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Solution

The fourth proportional to 451,965.15, 623,710.19 and 248,019.50 is: 342,265.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,965.15 : 623,710.19 = 248,019.50 : x
  2. Step 2: Convert to fraction form
    451,965.15/623,710.19 = 248,019.50/x
  3. Step 3: Cross multiply
    451,965.15x = 623,710.19 × 248,019.50
  4. Step 4: Simplify right side
    451,965.15x = 154,692,291,648.03
  5. Step 5: Solve for x
    x = 154,692,291,648.03/451,965.15
  6. Step 6: Final answer
    x = 342,265.97

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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.