Home / 1,923,176.62-2,884,916.67-643,791.70

Finding the Fourth Proportional to 1,923,176.62, 2,884,916.67 and 643,791.70

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Solution

The fourth proportional to 1,923,176.62, 2,884,916.67 and 643,791.70 is: 965,738.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923,176.62 : 2,884,916.67 = 643,791.70 : x
  2. Step 2: Convert to fraction form
    1,923,176.62/2,884,916.67 = 643,791.70/x
  3. Step 3: Cross multiply
    1,923,176.62x = 2,884,916.67 × 643,791.70
  4. Step 4: Simplify right side
    1,923,176.62x = 1,857,285,407,337.64
  5. Step 5: Solve for x
    x = 1,857,285,407,337.64/1,923,176.62
  6. Step 6: Final answer
    x = 965,738.35

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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.