Home / 801,649.46-1,106,236.76-439,074.92

Finding the Fourth Proportional to 801,649.46, 1,106,236.76 and 439,074.92

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Solution

The fourth proportional to 801,649.46, 1,106,236.76 and 439,074.92 is: 605,901.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,649.46 : 1,106,236.76 = 439,074.92 : x
  2. Step 2: Convert to fraction form
    801,649.46/1,106,236.76 = 439,074.92/x
  3. Step 3: Cross multiply
    801,649.46x = 1,106,236.76 × 439,074.92
  4. Step 4: Simplify right side
    801,649.46x = 485,720,816,898.06
  5. Step 5: Solve for x
    x = 485,720,816,898.06/801,649.46
  6. Step 6: Final answer
    x = 605,901.76

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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.