Home / 1,405,858.13-1,940,093.43-761,278.35

Finding the Fourth Proportional to 1,405,858.13, 1,940,093.43 and 761,278.35

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Solution

The fourth proportional to 1,405,858.13, 1,940,093.43 and 761,278.35 is: 1,050,569.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,858.13 : 1,940,093.43 = 761,278.35 : x
  2. Step 2: Convert to fraction form
    1,405,858.13/1,940,093.43 = 761,278.35/x
  3. Step 3: Cross multiply
    1,405,858.13x = 1,940,093.43 × 761,278.35
  4. Step 4: Simplify right side
    1,405,858.13x = 1,476,951,125,236.24
  5. Step 5: Solve for x
    x = 1,476,951,125,236.24/1,405,858.13
  6. Step 6: Final answer
    x = 1,050,569.11

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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.