Home / 400,342.14-552,672.05-230,543.46

Finding the Fourth Proportional to 400,342.14, 552,672.05 and 230,543.46

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Solution

The fourth proportional to 400,342.14, 552,672.05 and 230,543.46 is: 318,265.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,342.14 : 552,672.05 = 230,543.46 : x
  2. Step 2: Convert to fraction form
    400,342.14/552,672.05 = 230,543.46/x
  3. Step 3: Cross multiply
    400,342.14x = 552,672.05 × 230,543.46
  4. Step 4: Simplify right side
    400,342.14x = 127,414,925,499.58
  5. Step 5: Solve for x
    x = 127,414,925,499.58/400,342.14
  6. Step 6: Final answer
    x = 318,265.09

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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.