Home / 488,904.32-733,357.08-133,921.42

Finding the Fourth Proportional to 488,904.32, 733,357.08 and 133,921.42

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Solution

The fourth proportional to 488,904.32, 733,357.08 and 133,921.42 is: 200,882.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,904.32 : 733,357.08 = 133,921.42 : x
  2. Step 2: Convert to fraction form
    488,904.32/733,357.08 = 133,921.42/x
  3. Step 3: Cross multiply
    488,904.32x = 733,357.08 × 133,921.42
  4. Step 4: Simplify right side
    488,904.32x = 98,212,221,520.65
  5. Step 5: Solve for x
    x = 98,212,221,520.65/488,904.32
  6. Step 6: Final answer
    x = 200,882.29

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1.5x scale

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.