Home / 400,318.20-552,304.98-230,548.68

Finding the Fourth Proportional to 400,318.20, 552,304.98 and 230,548.68

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Solution

The fourth proportional to 400,318.20, 552,304.98 and 230,548.68 is: 318,079.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,318.20 : 552,304.98 = 230,548.68 : x
  2. Step 2: Convert to fraction form
    400,318.20/552,304.98 = 230,548.68/x
  3. Step 3: Cross multiply
    400,318.20x = 552,304.98 × 230,548.68
  4. Step 4: Simplify right side
    400,318.20x = 127,333,184,096.43
  5. Step 5: Solve for x
    x = 127,333,184,096.43/400,318.20
  6. Step 6: Final answer
    x = 318,079.93

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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.