Home / 1,458,616.87-2,012,992.32-814,163.05

Finding the Fourth Proportional to 1,458,616.87, 2,012,992.32 and 814,163.05

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Solution

The fourth proportional to 1,458,616.87, 2,012,992.32 and 814,163.05 is: 1,123,601.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,616.87 : 2,012,992.32 = 814,163.05 : x
  2. Step 2: Convert to fraction form
    1,458,616.87/2,012,992.32 = 814,163.05/x
  3. Step 3: Cross multiply
    1,458,616.87x = 2,012,992.32 × 814,163.05
  4. Step 4: Simplify right side
    1,458,616.87x = 1,638,903,966,877.78
  5. Step 5: Solve for x
    x = 1,638,903,966,877.78/1,458,616.87
  6. Step 6: Final answer
    x = 1,123,601.41

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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.