Home / 1,267,603.88-1,901,475.08-320,982.80

Finding the Fourth Proportional to 1,267,603.88, 1,901,475.08 and 320,982.80

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Solution

The fourth proportional to 1,267,603.88, 1,901,475.08 and 320,982.80 is: 481,491.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,603.88 : 1,901,475.08 = 320,982.80 : x
  2. Step 2: Convert to fraction form
    1,267,603.88/1,901,475.08 = 320,982.80/x
  3. Step 3: Cross multiply
    1,267,603.88x = 1,901,475.08 × 320,982.80
  4. Step 4: Simplify right side
    1,267,603.88x = 610,340,795,193.05
  5. Step 5: Solve for x
    x = 610,340,795,193.05/1,267,603.88
  6. Step 6: Final answer
    x = 481,491.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.