Home / 941,799.73-1,299,647.82-512,080.21

Finding the Fourth Proportional to 941,799.73, 1,299,647.82 and 512,080.21

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Solution

The fourth proportional to 941,799.73, 1,299,647.82 and 512,080.21 is: 706,651.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,799.73 : 1,299,647.82 = 512,080.21 : x
  2. Step 2: Convert to fraction form
    941,799.73/1,299,647.82 = 512,080.21/x
  3. Step 3: Cross multiply
    941,799.73x = 1,299,647.82 × 512,080.21
  4. Step 4: Simplify right side
    941,799.73x = 665,523,928,591.64
  5. Step 5: Solve for x
    x = 665,523,928,591.64/941,799.73
  6. Step 6: Final answer
    x = 706,651.22

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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.