Home / 429,789.06-644,461.11-192,927.78

Finding the Fourth Proportional to 429,789.06, 644,461.11 and 192,927.78

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Solution

The fourth proportional to 429,789.06, 644,461.11 and 192,927.78 is: 289,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,789.06 : 644,461.11 = 192,927.78 : x
  2. Step 2: Convert to fraction form
    429,789.06/644,461.11 = 192,927.78/x
  3. Step 3: Cross multiply
    429,789.06x = 644,461.11 × 192,927.78
  4. Step 4: Simplify right side
    429,789.06x = 124,334,451,248.64
  5. Step 5: Solve for x
    x = 124,334,451,248.64/429,789.06
  6. Step 6: Final answer
    x = 289,291.80

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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.