Home / 665,870.26-998,834.54-192,603.46

Finding the Fourth Proportional to 665,870.26, 998,834.54 and 192,603.46

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Solution

The fourth proportional to 665,870.26, 998,834.54 and 192,603.46 is: 288,913.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,870.26 : 998,834.54 = 192,603.46 : x
  2. Step 2: Convert to fraction form
    665,870.26/998,834.54 = 192,603.46/x
  3. Step 3: Cross multiply
    665,870.26x = 998,834.54 × 192,603.46
  4. Step 4: Simplify right side
    665,870.26x = 192,378,983,377.34
  5. Step 5: Solve for x
    x = 192,378,983,377.34/665,870.26
  6. Step 6: Final answer
    x = 288,913.62

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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.