Home / 997,914.56-1,378,579.20-863,545.28

Finding the Fourth Proportional to 997,914.56, 1,378,579.20 and 863,545.28

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Solution

The fourth proportional to 997,914.56, 1,378,579.20 and 863,545.28 is: 1,192,953.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,914.56 : 1,378,579.20 = 863,545.28 : x
  2. Step 2: Convert to fraction form
    997,914.56/1,378,579.20 = 863,545.28/x
  3. Step 3: Cross multiply
    997,914.56x = 1,378,579.20 × 863,545.28
  4. Step 4: Simplify right side
    997,914.56x = 1,190,465,561,266.18
  5. Step 5: Solve for x
    x = 1,190,465,561,266.18/997,914.56
  6. Step 6: Final answer
    x = 1,192,953.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.