Home / 1,219,092.08-1,682,328.53-667,803.38

Finding the Fourth Proportional to 1,219,092.08, 1,682,328.53 and 667,803.38

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Solution

The fourth proportional to 1,219,092.08, 1,682,328.53 and 667,803.38 is: 921,558.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,092.08 : 1,682,328.53 = 667,803.38 : x
  2. Step 2: Convert to fraction form
    1,219,092.08/1,682,328.53 = 667,803.38/x
  3. Step 3: Cross multiply
    1,219,092.08x = 1,682,328.53 × 667,803.38
  4. Step 4: Simplify right side
    1,219,092.08x = 1,123,464,671,862.30
  5. Step 5: Solve for x
    x = 1,123,464,671,862.30/1,219,092.08
  6. Step 6: Final answer
    x = 921,558.51

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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.