Home / 556,621.26-768,137.61-301,972.38

Finding the Fourth Proportional to 556,621.26, 768,137.61 and 301,972.38

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Solution

The fourth proportional to 556,621.26, 768,137.61 and 301,972.38 is: 416,722.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,621.26 : 768,137.61 = 301,972.38 : x
  2. Step 2: Convert to fraction form
    556,621.26/768,137.61 = 301,972.38/x
  3. Step 3: Cross multiply
    556,621.26x = 768,137.61 × 301,972.38
  4. Step 4: Simplify right side
    556,621.26x = 231,956,342,259.21
  5. Step 5: Solve for x
    x = 231,956,342,259.21/556,621.26
  6. Step 6: Final answer
    x = 416,722.03

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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.