Home / 876,205.72-1,209,163.24-494,232.50

Finding the Fourth Proportional to 876,205.72, 1,209,163.24 and 494,232.50

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Solution

The fourth proportional to 876,205.72, 1,209,163.24 and 494,232.50 is: 682,040.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,205.72 : 1,209,163.24 = 494,232.50 : x
  2. Step 2: Convert to fraction form
    876,205.72/1,209,163.24 = 494,232.50/x
  3. Step 3: Cross multiply
    876,205.72x = 1,209,163.24 × 494,232.50
  4. Step 4: Simplify right side
    876,205.72x = 597,607,774,654.00
  5. Step 5: Solve for x
    x = 597,607,774,654.00/876,205.72
  6. Step 6: Final answer
    x = 682,040.48

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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.