Home / 808,647.26-1,115,919.38-446,105.84

Finding the Fourth Proportional to 808,647.26, 1,115,919.38 and 446,105.84

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Solution

The fourth proportional to 808,647.26, 1,115,919.38 and 446,105.84 is: 615,618.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,647.26 : 1,115,919.38 = 446,105.84 : x
  2. Step 2: Convert to fraction form
    808,647.26/1,115,919.38 = 446,105.84/x
  3. Step 3: Cross multiply
    808,647.26x = 1,115,919.38 × 446,105.84
  4. Step 4: Simplify right side
    808,647.26x = 497,818,152,387.18
  5. Step 5: Solve for x
    x = 497,818,152,387.18/808,647.26
  6. Step 6: Final answer
    x = 615,618.42

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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.