Home / 452,820.12-624,878.60-259,221.30

Finding the Fourth Proportional to 452,820.12, 624,878.60 and 259,221.30

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Solution

The fourth proportional to 452,820.12, 624,878.60 and 259,221.30 is: 357,717.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,820.12 : 624,878.60 = 259,221.30 : x
  2. Step 2: Convert to fraction form
    452,820.12/624,878.60 = 259,221.30/x
  3. Step 3: Cross multiply
    452,820.12x = 624,878.60 × 259,221.30
  4. Step 4: Simplify right side
    452,820.12x = 161,981,843,034.18
  5. Step 5: Solve for x
    x = 161,981,843,034.18/452,820.12
  6. Step 6: Final answer
    x = 357,717.86

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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.