Home / 1,405,958.32-1,940,212.84-761,363.76

Finding the Fourth Proportional to 1,405,958.32, 1,940,212.84 and 761,363.76

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Solution

The fourth proportional to 1,405,958.32, 1,940,212.84 and 761,363.76 is: 1,050,676.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,958.32 : 1,940,212.84 = 761,363.76 : x
  2. Step 2: Convert to fraction form
    1,405,958.32/1,940,212.84 = 761,363.76/x
  3. Step 3: Cross multiply
    1,405,958.32x = 1,940,212.84 × 761,363.76
  4. Step 4: Simplify right side
    1,405,958.32x = 1,477,207,743,062.68
  5. Step 5: Solve for x
    x = 1,477,207,743,062.68/1,405,958.32
  6. Step 6: Final answer
    x = 1,050,676.77

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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.