Home / 415,432.10-573,298.80-231,682.28

Finding the Fourth Proportional to 415,432.10, 573,298.80 and 231,682.28

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Solution

The fourth proportional to 415,432.10, 573,298.80 and 231,682.28 is: 319,722.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,432.10 : 573,298.80 = 231,682.28 : x
  2. Step 2: Convert to fraction form
    415,432.10/573,298.80 = 231,682.28/x
  3. Step 3: Cross multiply
    415,432.10x = 573,298.80 × 231,682.28
  4. Step 4: Simplify right side
    415,432.10x = 132,823,173,105.26
  5. Step 5: Solve for x
    x = 132,823,173,105.26/415,432.10
  6. Step 6: Final answer
    x = 319,722.94

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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.