Home / 808,105.37-1,212,158.01-767,697.17

Finding the Fourth Proportional to 808,105.37, 1,212,158.01 and 767,697.17

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Solution

The fourth proportional to 808,105.37, 1,212,158.01 and 767,697.17 is: 1,151,545.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,105.37 : 1,212,158.01 = 767,697.17 : x
  2. Step 2: Convert to fraction form
    808,105.37/1,212,158.01 = 767,697.17/x
  3. Step 3: Cross multiply
    808,105.37x = 1,212,158.01 × 767,697.17
  4. Step 4: Simplify right side
    808,105.37x = 930,570,273,869.83
  5. Step 5: Solve for x
    x = 930,570,273,869.83/808,105.37
  6. Step 6: Final answer
    x = 1,151,545.71

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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.