Home / 519,824.04-779,107.74-253,185

Finding the Fourth Proportional to 519,824.04, 779,107.74 and 253,185

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Solution

The fourth proportional to 519,824.04, 779,107.74 and 253,185 is: 379,471.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,824.04 : 779,107.74 = 253,185 : x
  2. Step 2: Convert to fraction form
    519,824.04/779,107.74 = 253,185/x
  3. Step 3: Cross multiply
    519,824.04x = 779,107.74 × 253,185
  4. Step 4: Simplify right side
    519,824.04x = 197,258,393,151.90
  5. Step 5: Solve for x
    x = 197,258,393,151.90/519,824.04
  6. Step 6: Final answer
    x = 379,471.47

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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.