Home / 1,377,806.37-1,901,404.44-765,935.61

Finding the Fourth Proportional to 1,377,806.37, 1,901,404.44 and 765,935.61

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Solution

The fourth proportional to 1,377,806.37, 1,901,404.44 and 765,935.61 is: 1,057,008.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,806.37 : 1,901,404.44 = 765,935.61 : x
  2. Step 2: Convert to fraction form
    1,377,806.37/1,901,404.44 = 765,935.61/x
  3. Step 3: Cross multiply
    1,377,806.37x = 1,901,404.44 × 765,935.61
  4. Step 4: Simplify right side
    1,377,806.37x = 1,456,353,369,608.11
  5. Step 5: Solve for x
    x = 1,456,353,369,608.11/1,377,806.37
  6. Step 6: Final answer
    x = 1,057,008.74

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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.