Home / 810,115.48-1,117,961.22-447,531.40

Finding the Fourth Proportional to 810,115.48, 1,117,961.22 and 447,531.40

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Solution

The fourth proportional to 810,115.48, 1,117,961.22 and 447,531.40 is: 617,594.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,115.48 : 1,117,961.22 = 447,531.40 : x
  2. Step 2: Convert to fraction form
    810,115.48/1,117,961.22 = 447,531.40/x
  3. Step 3: Cross multiply
    810,115.48x = 1,117,961.22 × 447,531.40
  4. Step 4: Simplify right side
    810,115.48x = 500,322,749,932.31
  5. Step 5: Solve for x
    x = 500,322,749,932.31/810,115.48
  6. Step 6: Final answer
    x = 617,594.36

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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.