Home / 319,407.03-479,442.92-235,262.21

Finding the Fourth Proportional to 319,407.03, 479,442.92 and 235,262.21

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Solution

The fourth proportional to 319,407.03, 479,442.92 and 235,262.21 is: 353,138.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,407.03 : 479,442.92 = 235,262.21 : x
  2. Step 2: Convert to fraction form
    319,407.03/479,442.92 = 235,262.21/x
  3. Step 3: Cross multiply
    319,407.03x = 479,442.92 × 235,262.21
  4. Step 4: Simplify right side
    319,407.03x = 112,794,797,354.53
  5. Step 5: Solve for x
    x = 112,794,797,354.53/319,407.03
  6. Step 6: Final answer
    x = 353,138.12

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1.5x scale

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.