Home / 400,534.12-552,875.34-230,835.88

Finding the Fourth Proportional to 400,534.12, 552,875.34 and 230,835.88

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Solution

The fourth proportional to 400,534.12, 552,875.34 and 230,835.88 is: 318,633.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,534.12 : 552,875.34 = 230,835.88 : x
  2. Step 2: Convert to fraction form
    400,534.12/552,875.34 = 230,835.88/x
  3. Step 3: Cross multiply
    400,534.12x = 552,875.34 × 230,835.88
  4. Step 4: Simplify right side
    400,534.12x = 127,623,465,639.20
  5. Step 5: Solve for x
    x = 127,623,465,639.20/400,534.12
  6. Step 6: Final answer
    x = 318,633.19

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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.