Home / 429,323.20-592,481.28-238,339.60

Finding the Fourth Proportional to 429,323.20, 592,481.28 and 238,339.60

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Solution

The fourth proportional to 429,323.20, 592,481.28 and 238,339.60 is: 328,917.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,323.20 : 592,481.28 = 238,339.60 : x
  2. Step 2: Convert to fraction form
    429,323.20/592,481.28 = 238,339.60/x
  3. Step 3: Cross multiply
    429,323.20x = 592,481.28 × 238,339.60
  4. Step 4: Simplify right side
    429,323.20x = 141,211,751,282.69
  5. Step 5: Solve for x
    x = 141,211,751,282.69/429,323.20
  6. Step 6: Final answer
    x = 328,917.12

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1.5x scale

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.