Home / 644,440.52-966,670.50-223,729.76

Finding the Fourth Proportional to 644,440.52, 966,670.50 and 223,729.76

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Solution

The fourth proportional to 644,440.52, 966,670.50 and 223,729.76 is: 335,598.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,440.52 : 966,670.50 = 223,729.76 : x
  2. Step 2: Convert to fraction form
    644,440.52/966,670.50 = 223,729.76/x
  3. Step 3: Cross multiply
    644,440.52x = 966,670.50 × 223,729.76
  4. Step 4: Simplify right side
    644,440.52x = 216,272,958,964.08
  5. Step 5: Solve for x
    x = 216,272,958,964.08/644,440.52
  6. Step 6: Final answer
    x = 335,598.01

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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.