Home / 809,218.28-1,117,099.14-469,620.92

Finding the Fourth Proportional to 809,218.28, 1,117,099.14 and 469,620.92

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Solution

The fourth proportional to 809,218.28, 1,117,099.14 and 469,620.92 is: 648,296.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,218.28 : 1,117,099.14 = 469,620.92 : x
  2. Step 2: Convert to fraction form
    809,218.28/1,117,099.14 = 469,620.92/x
  3. Step 3: Cross multiply
    809,218.28x = 1,117,099.14 × 469,620.92
  4. Step 4: Simplify right side
    809,218.28x = 524,613,125,858.01
  5. Step 5: Solve for x
    x = 524,613,125,858.01/809,218.28
  6. Step 6: Final answer
    x = 648,296.19

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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.