Home / 1,144,606.80-1,717,687.80-639,166.80

Finding the Fourth Proportional to 1,144,606.80, 1,717,687.80 and 639,166.80

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Solution

The fourth proportional to 1,144,606.80, 1,717,687.80 and 639,166.80 is: 959,184.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,606.80 : 1,717,687.80 = 639,166.80 : x
  2. Step 2: Convert to fraction form
    1,144,606.80/1,717,687.80 = 639,166.80/x
  3. Step 3: Cross multiply
    1,144,606.80x = 1,717,687.80 × 639,166.80
  4. Step 4: Simplify right side
    1,144,606.80x = 1,097,889,014,525.04
  5. Step 5: Solve for x
    x = 1,097,889,014,525.04/1,144,606.80
  6. Step 6: Final answer
    x = 959,184.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.