Home / 1,145,584.69-1,580,956.11-636,287.06

Finding the Fourth Proportional to 1,145,584.69, 1,580,956.11 and 636,287.06

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Solution

The fourth proportional to 1,145,584.69, 1,580,956.11 and 636,287.06 is: 878,103.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,584.69 : 1,580,956.11 = 636,287.06 : x
  2. Step 2: Convert to fraction form
    1,145,584.69/1,580,956.11 = 636,287.06/x
  3. Step 3: Cross multiply
    1,145,584.69x = 1,580,956.11 × 636,287.06
  4. Step 4: Simplify right side
    1,145,584.69x = 1,005,941,919,173.33
  5. Step 5: Solve for x
    x = 1,005,941,919,173.33/1,145,584.69
  6. Step 6: Final answer
    x = 878,103.50

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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.