Home / 644,436.52-966,664.50-223,725.76

Finding the Fourth Proportional to 644,436.52, 966,664.50 and 223,725.76

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Solution

The fourth proportional to 644,436.52, 966,664.50 and 223,725.76 is: 335,592.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,436.52 : 966,664.50 = 223,725.76 : x
  2. Step 2: Convert to fraction form
    644,436.52/966,664.50 = 223,725.76/x
  3. Step 3: Cross multiply
    644,436.52x = 966,664.50 × 223,725.76
  4. Step 4: Simplify right side
    644,436.52x = 216,267,749,927.52
  5. Step 5: Solve for x
    x = 216,267,749,927.52/644,436.52
  6. Step 6: Final answer
    x = 335,592.01

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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.