Home / 1,405,944.39-1,940,199.44-761,364.41

Finding the Fourth Proportional to 1,405,944.39, 1,940,199.44 and 761,364.41

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Solution

The fourth proportional to 1,405,944.39, 1,940,199.44 and 761,364.41 is: 1,050,680.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,944.39 : 1,940,199.44 = 761,364.41 : x
  2. Step 2: Convert to fraction form
    1,405,944.39/1,940,199.44 = 761,364.41/x
  3. Step 3: Cross multiply
    1,405,944.39x = 1,940,199.44 × 761,364.41
  4. Step 4: Simplify right side
    1,405,944.39x = 1,477,198,804,677.04
  5. Step 5: Solve for x
    x = 1,477,198,804,677.04/1,405,944.39
  6. Step 6: Final answer
    x = 1,050,680.82

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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.