Home / 410,421.72-566,434.22-238,305.42

Finding the Fourth Proportional to 410,421.72, 566,434.22 and 238,305.42

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Solution

The fourth proportional to 410,421.72, 566,434.22 and 238,305.42 is: 328,891.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,421.72 : 566,434.22 = 238,305.42 : x
  2. Step 2: Convert to fraction form
    410,421.72/566,434.22 = 238,305.42/x
  3. Step 3: Cross multiply
    410,421.72x = 566,434.22 × 238,305.42
  4. Step 4: Simplify right side
    410,421.72x = 134,984,343,116.12
  5. Step 5: Solve for x
    x = 134,984,343,116.12/410,421.72
  6. Step 6: Final answer
    x = 328,891.81

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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.