Home / 400,345.14-552,676.20-230,546.46

Finding the Fourth Proportional to 400,345.14, 552,676.20 and 230,546.46

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Solution

The fourth proportional to 400,345.14, 552,676.20 and 230,546.46 is: 318,269.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,345.14 : 552,676.20 = 230,546.46 : x
  2. Step 2: Convert to fraction form
    400,345.14/552,676.20 = 230,546.46/x
  3. Step 3: Cross multiply
    400,345.14x = 552,676.20 × 230,546.46
  4. Step 4: Simplify right side
    400,345.14x = 127,417,541,436.25
  5. Step 5: Solve for x
    x = 127,417,541,436.25/400,345.14
  6. Step 6: Final answer
    x = 318,269.23

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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.