Home / 1,445,568.73-1,994,896.65-800,999.69

Finding the Fourth Proportional to 1,445,568.73, 1,994,896.65 and 800,999.69

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Solution

The fourth proportional to 1,445,568.73, 1,994,896.65 and 800,999.69 is: 1,105,386.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,568.73 : 1,994,896.65 = 800,999.69 : x
  2. Step 2: Convert to fraction form
    1,445,568.73/1,994,896.65 = 800,999.69/x
  3. Step 3: Cross multiply
    1,445,568.73x = 1,994,896.65 × 800,999.69
  4. Step 4: Simplify right side
    1,445,568.73x = 1,597,911,591,261.30
  5. Step 5: Solve for x
    x = 1,597,911,591,261.30/1,445,568.73
  6. Step 6: Final answer
    x = 1,105,386.11

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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.