Home / 1,206,381.87-1,664,802.60-662,552.86

Finding the Fourth Proportional to 1,206,381.87, 1,664,802.60 and 662,552.86

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Solution

The fourth proportional to 1,206,381.87, 1,664,802.60 and 662,552.86 is: 914,320.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,381.87 : 1,664,802.60 = 662,552.86 : x
  2. Step 2: Convert to fraction form
    1,206,381.87/1,664,802.60 = 662,552.86/x
  3. Step 3: Cross multiply
    1,206,381.87x = 1,664,802.60 × 662,552.86
  4. Step 4: Simplify right side
    1,206,381.87x = 1,103,019,723,965.44
  5. Step 5: Solve for x
    x = 1,103,019,723,965.44/1,206,381.87
  6. Step 6: Final answer
    x = 914,320.54

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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.