Home / 374,839.54-517,227.57-223,904.50

Finding the Fourth Proportional to 374,839.54, 517,227.57 and 223,904.50

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Solution

The fourth proportional to 374,839.54, 517,227.57 and 223,904.50 is: 308,957.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,839.54 : 517,227.57 = 223,904.50 : x
  2. Step 2: Convert to fraction form
    374,839.54/517,227.57 = 223,904.50/x
  3. Step 3: Cross multiply
    374,839.54x = 517,227.57 × 223,904.50
  4. Step 4: Simplify right side
    374,839.54x = 115,809,580,447.07
  5. Step 5: Solve for x
    x = 115,809,580,447.07/374,839.54
  6. Step 6: Final answer
    x = 308,957.75

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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.