Home / 400,756.72-552,949.40-237,330.70

Finding the Fourth Proportional to 400,756.72, 552,949.40 and 237,330.70

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Solution

The fourth proportional to 400,756.72, 552,949.40 and 237,330.70 is: 327,460.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,756.72 : 552,949.40 = 237,330.70 : x
  2. Step 2: Convert to fraction form
    400,756.72/552,949.40 = 237,330.70/x
  3. Step 3: Cross multiply
    400,756.72x = 552,949.40 × 237,330.70
  4. Step 4: Simplify right side
    400,756.72x = 131,231,866,979.93
  5. Step 5: Solve for x
    x = 131,231,866,979.93/400,756.72
  6. Step 6: Final answer
    x = 327,460.18

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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.