Home / 847,588.24-1,169,873.45-485,221.38

Finding the Fourth Proportional to 847,588.24, 1,169,873.45 and 485,221.38

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Solution

The fourth proportional to 847,588.24, 1,169,873.45 and 485,221.38 is: 669,720.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,588.24 : 1,169,873.45 = 485,221.38 : x
  2. Step 2: Convert to fraction form
    847,588.24/1,169,873.45 = 485,221.38/x
  3. Step 3: Cross multiply
    847,588.24x = 1,169,873.45 × 485,221.38
  4. Step 4: Simplify right side
    847,588.24x = 567,647,609,834.36
  5. Step 5: Solve for x
    x = 567,647,609,834.36/847,588.24
  6. Step 6: Final answer
    x = 669,720.96

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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.