Home / 1,405,833.20-1,940,059.05-761,253.44

Finding the Fourth Proportional to 1,405,833.20, 1,940,059.05 and 761,253.44

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Solution

The fourth proportional to 1,405,833.20, 1,940,059.05 and 761,253.44 is: 1,050,534.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,833.20 : 1,940,059.05 = 761,253.44 : x
  2. Step 2: Convert to fraction form
    1,405,833.20/1,940,059.05 = 761,253.44/x
  3. Step 3: Cross multiply
    1,405,833.20x = 1,940,059.05 × 761,253.44
  4. Step 4: Simplify right side
    1,405,833.20x = 1,476,876,625,615.63
  5. Step 5: Solve for x
    x = 1,476,876,625,615.63/1,405,833.20
  6. Step 6: Final answer
    x = 1,050,534.75

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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.