Home / 494,062.36-681,840.66-279,222.28

Finding the Fourth Proportional to 494,062.36, 681,840.66 and 279,222.28

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Solution

The fourth proportional to 494,062.36, 681,840.66 and 279,222.28 is: 385,346.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,062.36 : 681,840.66 = 279,222.28 : x
  2. Step 2: Convert to fraction form
    494,062.36/681,840.66 = 279,222.28/x
  3. Step 3: Cross multiply
    494,062.36x = 681,840.66 × 279,222.28
  4. Step 4: Simplify right side
    494,062.36x = 190,385,103,681.91
  5. Step 5: Solve for x
    x = 190,385,103,681.91/494,062.36
  6. Step 6: Final answer
    x = 385,346.30

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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.