Home / 1,405,828.20-1,940,043.94-761,253.48

Finding the Fourth Proportional to 1,405,828.20, 1,940,043.94 and 761,253.48

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Solution

The fourth proportional to 1,405,828.20, 1,940,043.94 and 761,253.48 is: 1,050,530.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,828.20 : 1,940,043.94 = 761,253.48 : x
  2. Step 2: Convert to fraction form
    1,405,828.20/1,940,043.94 = 761,253.48/x
  3. Step 3: Cross multiply
    1,405,828.20x = 1,940,043.94 × 761,253.48
  4. Step 4: Simplify right side
    1,405,828.20x = 1,476,865,200,677.91
  5. Step 5: Solve for x
    x = 1,476,865,200,677.91/1,405,828.20
  6. Step 6: Final answer
    x = 1,050,530.36

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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.