Home / 400,721.26-552,995.34-230,966.32

Finding the Fourth Proportional to 400,721.26, 552,995.34 and 230,966.32

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Solution

The fourth proportional to 400,721.26, 552,995.34 and 230,966.32 is: 318,733.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,721.26 : 552,995.34 = 230,966.32 : x
  2. Step 2: Convert to fraction form
    400,721.26/552,995.34 = 230,966.32/x
  3. Step 3: Cross multiply
    400,721.26x = 552,995.34 × 230,966.32
  4. Step 4: Simplify right side
    400,721.26x = 127,723,298,656.95
  5. Step 5: Solve for x
    x = 127,723,298,656.95/400,721.26
  6. Step 6: Final answer
    x = 318,733.52

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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.