Home / 388,520.69-536,196.94-227,366.13

Finding the Fourth Proportional to 388,520.69, 536,196.94 and 227,366.13

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Solution

The fourth proportional to 388,520.69, 536,196.94 and 227,366.13 is: 313,787.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,520.69 : 536,196.94 = 227,366.13 : x
  2. Step 2: Convert to fraction form
    388,520.69/536,196.94 = 227,366.13/x
  3. Step 3: Cross multiply
    388,520.69x = 536,196.94 × 227,366.13
  4. Step 4: Simplify right side
    388,520.69x = 121,913,022,597.23
  5. Step 5: Solve for x
    x = 121,913,022,597.23/388,520.69
  6. Step 6: Final answer
    x = 313,787.72

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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.