Home / 847,992.46-1,170,387.24-485,416.33

Finding the Fourth Proportional to 847,992.46, 1,170,387.24 and 485,416.33

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Solution

The fourth proportional to 847,992.46, 1,170,387.24 and 485,416.33 is: 669,964.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,992.46 : 1,170,387.24 = 485,416.33 : x
  2. Step 2: Convert to fraction form
    847,992.46/1,170,387.24 = 485,416.33/x
  3. Step 3: Cross multiply
    847,992.46x = 1,170,387.24 × 485,416.33
  4. Step 4: Simplify right side
    847,992.46x = 568,125,073,723.07
  5. Step 5: Solve for x
    x = 568,125,073,723.07/847,992.46
  6. Step 6: Final answer
    x = 669,964.77

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Double scale
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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.