Home / 319,408.03-479,444.42-235,263.21

Finding the Fourth Proportional to 319,408.03, 479,444.42 and 235,263.21

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Solution

The fourth proportional to 319,408.03, 479,444.42 and 235,263.21 is: 353,139.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,408.03 : 479,444.42 = 235,263.21 : x
  2. Step 2: Convert to fraction form
    319,408.03/479,444.42 = 235,263.21/x
  3. Step 3: Cross multiply
    319,408.03x = 479,444.42 × 235,263.21
  4. Step 4: Simplify right side
    319,408.03x = 112,795,633,265.79
  5. Step 5: Solve for x
    x = 112,795,633,265.79/319,408.03
  6. Step 6: Final answer
    x = 353,139.63

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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.