Home / 1,405,859.13-1,940,094.82-761,279.36

Finding the Fourth Proportional to 1,405,859.13, 1,940,094.82 and 761,279.36

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Solution

The fourth proportional to 1,405,859.13, 1,940,094.82 and 761,279.36 is: 1,050,570.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,859.13 : 1,940,094.82 = 761,279.36 : x
  2. Step 2: Convert to fraction form
    1,405,859.13/1,940,094.82 = 761,279.36/x
  3. Step 3: Cross multiply
    1,405,859.13x = 1,940,094.82 × 761,279.36
  4. Step 4: Simplify right side
    1,405,859.13x = 1,476,954,133,208.44
  5. Step 5: Solve for x
    x = 1,476,954,133,208.44/1,405,859.13
  6. Step 6: Final answer
    x = 1,050,570.50

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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.