Home / 386,584.67-579,644.02-173,314.01

Finding the Fourth Proportional to 386,584.67, 579,644.02 and 173,314.01

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Solution

The fourth proportional to 386,584.67, 579,644.02 and 173,314.01 is: 259,866.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,584.67 : 579,644.02 = 173,314.01 : x
  2. Step 2: Convert to fraction form
    386,584.67/579,644.02 = 173,314.01/x
  3. Step 3: Cross multiply
    386,584.67x = 579,644.02 × 173,314.01
  4. Step 4: Simplify right side
    386,584.67x = 100,460,430,169.58
  5. Step 5: Solve for x
    x = 100,460,430,169.58/386,584.67
  6. Step 6: Final answer
    x = 259,866.57

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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.