Home / 415,835.32-573,860.22-243,877.31

Finding the Fourth Proportional to 415,835.32, 573,860.22 and 243,877.31

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Solution

The fourth proportional to 415,835.32, 573,860.22 and 243,877.31 is: 336,555.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,835.32 : 573,860.22 = 243,877.31 : x
  2. Step 2: Convert to fraction form
    415,835.32/573,860.22 = 243,877.31/x
  3. Step 3: Cross multiply
    415,835.32x = 573,860.22 × 243,877.31
  4. Step 4: Simplify right side
    415,835.32x = 139,951,486,769.61
  5. Step 5: Solve for x
    x = 139,951,486,769.61/415,835.32
  6. Step 6: Final answer
    x = 336,555.07

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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.