Home / 873,127.20-1,204,985.52-491,131.20

Finding the Fourth Proportional to 873,127.20, 1,204,985.52 and 491,131.20

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Solution

The fourth proportional to 873,127.20, 1,204,985.52 and 491,131.20 is: 677,800.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,127.20 : 1,204,985.52 = 491,131.20 : x
  2. Step 2: Convert to fraction form
    873,127.20/1,204,985.52 = 491,131.20/x
  3. Step 3: Cross multiply
    873,127.20x = 1,204,985.52 × 491,131.20
  4. Step 4: Simplify right side
    873,127.20x = 591,805,984,420.22
  5. Step 5: Solve for x
    x = 591,805,984,420.22/873,127.20
  6. Step 6: Final answer
    x = 677,800.42

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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.