Home / 393,907.04-543,584.76-224,137.52

Finding the Fourth Proportional to 393,907.04, 543,584.76 and 224,137.52

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Solution

The fourth proportional to 393,907.04, 543,584.76 and 224,137.52 is: 309,305.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,907.04 : 543,584.76 = 224,137.52 : x
  2. Step 2: Convert to fraction form
    393,907.04/543,584.76 = 224,137.52/x
  3. Step 3: Cross multiply
    393,907.04x = 543,584.76 × 224,137.52
  4. Step 4: Simplify right side
    393,907.04x = 121,837,740,016.20
  5. Step 5: Solve for x
    x = 121,837,740,016.20/393,907.04
  6. Step 6: Final answer
    x = 309,305.82

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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.