Home / 451,614.98-623,171.39-247,612.21

Finding the Fourth Proportional to 451,614.98, 623,171.39 and 247,612.21

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Solution

The fourth proportional to 451,614.98, 623,171.39 and 247,612.21 is: 341,673.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,614.98 : 623,171.39 = 247,612.21 : x
  2. Step 2: Convert to fraction form
    451,614.98/623,171.39 = 247,612.21/x
  3. Step 3: Cross multiply
    451,614.98x = 623,171.39 × 247,612.21
  4. Step 4: Simplify right side
    451,614.98x = 154,304,845,796.02
  5. Step 5: Solve for x
    x = 154,304,845,796.02/451,614.98
  6. Step 6: Final answer
    x = 341,673.45

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1.5x scale

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.