Home / 490,282.52-734,743.38-223,390.76

Finding the Fourth Proportional to 490,282.52, 734,743.38 and 223,390.76

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Solution

The fourth proportional to 490,282.52, 734,743.38 and 223,390.76 is: 334,776.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,282.52 : 734,743.38 = 223,390.76 : x
  2. Step 2: Convert to fraction form
    490,282.52/734,743.38 = 223,390.76/x
  3. Step 3: Cross multiply
    490,282.52x = 734,743.38 × 223,390.76
  4. Step 4: Simplify right side
    490,282.52x = 164,134,882,063.17
  5. Step 5: Solve for x
    x = 164,134,882,063.17/490,282.52
  6. Step 6: Final answer
    x = 334,776.12

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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.