Home / 1,405,812.60-1,940,018.67-761,234.70

Finding the Fourth Proportional to 1,405,812.60, 1,940,018.67 and 761,234.70

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Solution

The fourth proportional to 1,405,812.60, 1,940,018.67 and 761,234.70 is: 1,050,502.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,812.60 : 1,940,018.67 = 761,234.70 : x
  2. Step 2: Convert to fraction form
    1,405,812.60/1,940,018.67 = 761,234.70/x
  3. Step 3: Cross multiply
    1,405,812.60x = 1,940,018.67 × 761,234.70
  4. Step 4: Simplify right side
    1,405,812.60x = 1,476,809,530,251.85
  5. Step 5: Solve for x
    x = 1,476,809,530,251.85/1,405,812.60
  6. Step 6: Final answer
    x = 1,050,502.41

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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.