Home / 1,144,564.80-1,717,624.80-639,124.80

Finding the Fourth Proportional to 1,144,564.80, 1,717,624.80 and 639,124.80

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Solution

The fourth proportional to 1,144,564.80, 1,717,624.80 and 639,124.80 is: 959,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,564.80 : 1,717,624.80 = 639,124.80 : x
  2. Step 2: Convert to fraction form
    1,144,564.80/1,717,624.80 = 639,124.80/x
  3. Step 3: Cross multiply
    1,144,564.80x = 1,717,624.80 × 639,124.80
  4. Step 4: Simplify right side
    1,144,564.80x = 1,097,776,606,775.04
  5. Step 5: Solve for x
    x = 1,097,776,606,775.04/1,144,564.80
  6. Step 6: Final answer
    x = 959,121.41

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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.