Home / 641,724.67-885,629.22-366,088.59

Finding the Fourth Proportional to 641,724.67, 885,629.22 and 366,088.59

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Solution

The fourth proportional to 641,724.67, 885,629.22 and 366,088.59 is: 505,230.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,724.67 : 885,629.22 = 366,088.59 : x
  2. Step 2: Convert to fraction form
    641,724.67/885,629.22 = 366,088.59/x
  3. Step 3: Cross multiply
    641,724.67x = 885,629.22 × 366,088.59
  4. Step 4: Simplify right side
    641,724.67x = 324,218,752,412.60
  5. Step 5: Solve for x
    x = 324,218,752,412.60/641,724.67
  6. Step 6: Final answer
    x = 505,230.31

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1.5x scale

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.