Home / 807,961.77-1,114,979.56-440,438.85

Finding the Fourth Proportional to 807,961.77, 1,114,979.56 and 440,438.85

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Solution

The fourth proportional to 807,961.77, 1,114,979.56 and 440,438.85 is: 607,801.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,961.77 : 1,114,979.56 = 440,438.85 : x
  2. Step 2: Convert to fraction form
    807,961.77/1,114,979.56 = 440,438.85/x
  3. Step 3: Cross multiply
    807,961.77x = 1,114,979.56 × 440,438.85
  4. Step 4: Simplify right side
    807,961.77x = 491,080,314,078.81
  5. Step 5: Solve for x
    x = 491,080,314,078.81/807,961.77
  6. Step 6: Final answer
    x = 607,801.42

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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.