Home / 801,185.01-1,105,635.24-438,607.74

Finding the Fourth Proportional to 801,185.01, 1,105,635.24 and 438,607.74

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Solution

The fourth proportional to 801,185.01, 1,105,635.24 and 438,607.74 is: 605,278.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,185.01 : 1,105,635.24 = 438,607.74 : x
  2. Step 2: Convert to fraction form
    801,185.01/1,105,635.24 = 438,607.74/x
  3. Step 3: Cross multiply
    801,185.01x = 1,105,635.24 × 438,607.74
  4. Step 4: Simplify right side
    801,185.01x = 484,940,173,880.76
  5. Step 5: Solve for x
    x = 484,940,173,880.76/801,185.01
  6. Step 6: Final answer
    x = 605,278.64

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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.