Home / 6,659,658.64-9,190,328.76-3,603,872.88

Finding the Fourth Proportional to 6,659,658.64, 9,190,328.76 and 3,603,872.88

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Solution

The fourth proportional to 6,659,658.64, 9,190,328.76 and 3,603,872.88 is: 4,973,344.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659,658.64 : 9,190,328.76 = 3,603,872.88 : x
  2. Step 2: Convert to fraction form
    6,659,658.64/9,190,328.76 = 3,603,872.88/x
  3. Step 3: Cross multiply
    6,659,658.64x = 9,190,328.76 × 3,603,872.88
  4. Step 4: Simplify right side
    6,659,658.64x = 33,120,776,576,448.03
  5. Step 5: Solve for x
    x = 33,120,776,576,448.03/6,659,658.64
  6. Step 6: Final answer
    x = 4,973,344.49

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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.