Home / 873,201.20-1,205,004.84-491,228.24

Finding the Fourth Proportional to 873,201.20, 1,205,004.84 and 491,228.24

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Solution

The fourth proportional to 873,201.20, 1,205,004.84 and 491,228.24 is: 677,887.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,201.20 : 1,205,004.84 = 491,228.24 : x
  2. Step 2: Convert to fraction form
    873,201.20/1,205,004.84 = 491,228.24/x
  3. Step 3: Cross multiply
    873,201.20x = 1,205,004.84 × 491,228.24
  4. Step 4: Simplify right side
    873,201.20x = 591,932,406,744.68
  5. Step 5: Solve for x
    x = 591,932,406,744.68/873,201.20
  6. Step 6: Final answer
    x = 677,887.76

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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.