Home / 1,405,858.25-1,940,093.61-761,278.48

Finding the Fourth Proportional to 1,405,858.25, 1,940,093.61 and 761,278.48

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Solution

The fourth proportional to 1,405,858.25, 1,940,093.61 and 761,278.48 is: 1,050,569.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,858.25 : 1,940,093.61 = 761,278.48 : x
  2. Step 2: Convert to fraction form
    1,405,858.25/1,940,093.61 = 761,278.48/x
  3. Step 3: Cross multiply
    1,405,858.25x = 1,940,093.61 × 761,278.48
  4. Step 4: Simplify right side
    1,405,858.25x = 1,476,951,506,773.48
  5. Step 5: Solve for x
    x = 1,476,951,506,773.48/1,405,858.25
  6. Step 6: Final answer
    x = 1,050,569.29

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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.