Home / 288,824.88-433,234.44-219,131.76

Finding the Fourth Proportional to 288,824.88, 433,234.44 and 219,131.76

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Solution

The fourth proportional to 288,824.88, 433,234.44 and 219,131.76 is: 328,695.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,824.88 : 433,234.44 = 219,131.76 : x
  2. Step 2: Convert to fraction form
    288,824.88/433,234.44 = 219,131.76/x
  3. Step 3: Cross multiply
    288,824.88x = 433,234.44 × 219,131.76
  4. Step 4: Simplify right side
    288,824.88x = 94,935,425,329.81
  5. Step 5: Solve for x
    x = 94,935,425,329.81/288,824.88
  6. Step 6: Final answer
    x = 328,695.45

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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.