Home / 801,919.11-1,106,649.27-439,366.15

Finding the Fourth Proportional to 801,919.11, 1,106,649.27 and 439,366.15

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Solution

The fourth proportional to 801,919.11, 1,106,649.27 and 439,366.15 is: 606,325.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,919.11 : 1,106,649.27 = 439,366.15 : x
  2. Step 2: Convert to fraction form
    801,919.11/1,106,649.27 = 439,366.15/x
  3. Step 3: Cross multiply
    801,919.11x = 1,106,649.27 × 439,366.15
  4. Step 4: Simplify right side
    801,919.11x = 486,224,229,160.21
  5. Step 5: Solve for x
    x = 486,224,229,160.21/801,919.11
  6. Step 6: Final answer
    x = 606,325.78

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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.