Home / 1,405,861.05-1,940,084.73-761,281.23

Finding the Fourth Proportional to 1,405,861.05, 1,940,084.73 and 761,281.23

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Solution

The fourth proportional to 1,405,861.05, 1,940,084.73 and 761,281.23 is: 1,050,566.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,861.05 : 1,940,084.73 = 761,281.23 : x
  2. Step 2: Convert to fraction form
    1,405,861.05/1,940,084.73 = 761,281.23/x
  3. Step 3: Cross multiply
    1,405,861.05x = 1,940,084.73 × 761,281.23
  4. Step 4: Simplify right side
    1,405,861.05x = 1,476,950,089,558.62
  5. Step 5: Solve for x
    x = 1,476,950,089,558.62/1,405,861.05
  6. Step 6: Final answer
    x = 1,050,566.19

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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.