Home / 641,172.41-884,791.77-369,250.55

Finding the Fourth Proportional to 641,172.41, 884,791.77 and 369,250.55

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Solution

The fourth proportional to 641,172.41, 884,791.77 and 369,250.55 is: 509,550.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,172.41 : 884,791.77 = 369,250.55 : x
  2. Step 2: Convert to fraction form
    641,172.41/884,791.77 = 369,250.55/x
  3. Step 3: Cross multiply
    641,172.41x = 884,791.77 × 369,250.55
  4. Step 4: Simplify right side
    641,172.41x = 326,709,843,284.02
  5. Step 5: Solve for x
    x = 326,709,843,284.02/641,172.41
  6. Step 6: Final answer
    x = 509,550.69

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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.