Home / 1,651,999.42-2,279,896.62-917,022.88

Finding the Fourth Proportional to 1,651,999.42, 2,279,896.62 and 917,022.88

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Solution

The fourth proportional to 1,651,999.42, 2,279,896.62 and 917,022.88 is: 1,265,567.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651,999.42 : 2,279,896.62 = 917,022.88 : x
  2. Step 2: Convert to fraction form
    1,651,999.42/2,279,896.62 = 917,022.88/x
  3. Step 3: Cross multiply
    1,651,999.42x = 2,279,896.62 × 917,022.88
  4. Step 4: Simplify right side
    1,651,999.42x = 2,090,717,364,574.67
  5. Step 5: Solve for x
    x = 2,090,717,364,574.67/1,651,999.42
  6. Step 6: Final answer
    x = 1,265,567.86

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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.