Home / 876,147.52-1,314,020.40-245,125.12

Finding the Fourth Proportional to 876,147.52, 1,314,020.40 and 245,125.12

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Solution

The fourth proportional to 876,147.52, 1,314,020.40 and 245,125.12 is: 367,631.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,147.52 : 1,314,020.40 = 245,125.12 : x
  2. Step 2: Convert to fraction form
    876,147.52/1,314,020.40 = 245,125.12/x
  3. Step 3: Cross multiply
    876,147.52x = 1,314,020.40 × 245,125.12
  4. Step 4: Simplify right side
    876,147.52x = 322,099,408,232.45
  5. Step 5: Solve for x
    x = 322,099,408,232.45/876,147.52
  6. Step 6: Final answer
    x = 367,631.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.