Home / 1,405,584.20-1,939,682.70-760,999.16

Finding the Fourth Proportional to 1,405,584.20, 1,939,682.70 and 760,999.16

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Solution

The fourth proportional to 1,405,584.20, 1,939,682.70 and 760,999.16 is: 1,050,166.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,584.20 : 1,939,682.70 = 760,999.16 : x
  2. Step 2: Convert to fraction form
    1,405,584.20/1,939,682.70 = 760,999.16/x
  3. Step 3: Cross multiply
    1,405,584.20x = 1,939,682.70 × 760,999.16
  4. Step 4: Simplify right side
    1,405,584.20x = 1,476,096,905,366.53
  5. Step 5: Solve for x
    x = 1,476,096,905,366.53/1,405,584.20
  6. Step 6: Final answer
    x = 1,050,166.12

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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.