Home / 825,493.68-1,139,193.72-481,320.23

Finding the Fourth Proportional to 825,493.68, 1,139,193.72 and 481,320.23

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Solution

The fourth proportional to 825,493.68, 1,139,193.72 and 481,320.23 is: 664,229.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,493.68 : 1,139,193.72 = 481,320.23 : x
  2. Step 2: Convert to fraction form
    825,493.68/1,139,193.72 = 481,320.23/x
  3. Step 3: Cross multiply
    825,493.68x = 1,139,193.72 × 481,320.23
  4. Step 4: Simplify right side
    825,493.68x = 548,316,977,628.99
  5. Step 5: Solve for x
    x = 548,316,977,628.99/825,493.68
  6. Step 6: Final answer
    x = 664,229.16

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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.