Home / 830,711.58-1,246,067.23-199,625.39

Finding the Fourth Proportional to 830,711.58, 1,246,067.23 and 199,625.39

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Solution

The fourth proportional to 830,711.58, 1,246,067.23 and 199,625.39 is: 299,438.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,711.58 : 1,246,067.23 = 199,625.39 : x
  2. Step 2: Convert to fraction form
    830,711.58/1,246,067.23 = 199,625.39/x
  3. Step 3: Cross multiply
    830,711.58x = 1,246,067.23 × 199,625.39
  4. Step 4: Simplify right side
    830,711.58x = 248,746,662,081.75
  5. Step 5: Solve for x
    x = 248,746,662,081.75/830,711.58
  6. Step 6: Final answer
    x = 299,438.06

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Double scale
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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.