Home / 643,596.72-965,551.14-194,290.76

Finding the Fourth Proportional to 643,596.72, 965,551.14 and 194,290.76

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Solution

The fourth proportional to 643,596.72, 965,551.14 and 194,290.76 is: 291,483.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,596.72 : 965,551.14 = 194,290.76 : x
  2. Step 2: Convert to fraction form
    643,596.72/965,551.14 = 194,290.76/x
  3. Step 3: Cross multiply
    643,596.72x = 965,551.14 × 194,290.76
  4. Step 4: Simplify right side
    643,596.72x = 187,597,659,981.71
  5. Step 5: Solve for x
    x = 187,597,659,981.71/643,596.72
  6. Step 6: Final answer
    x = 291,483.24

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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.