Home / 835,346.52-1,251,240.48-408,224.88

Finding the Fourth Proportional to 835,346.52, 1,251,240.48 and 408,224.88

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Solution

The fourth proportional to 835,346.52, 1,251,240.48 and 408,224.88 is: 611,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,346.52 : 1,251,240.48 = 408,224.88 : x
  2. Step 2: Convert to fraction form
    835,346.52/1,251,240.48 = 408,224.88/x
  3. Step 3: Cross multiply
    835,346.52x = 1,251,240.48 × 408,224.88
  4. Step 4: Simplify right side
    835,346.52x = 510,787,494,799.14
  5. Step 5: Solve for x
    x = 510,787,494,799.14/835,346.52
  6. Step 6: Final answer
    x = 611,467.80

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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.