Home / 5,320,700.40-7,980,754.40-4,728,438.80

Finding the Fourth Proportional to 5,320,700.40, 7,980,754.40 and 4,728,438.80

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Solution

The fourth proportional to 5,320,700.40, 7,980,754.40 and 4,728,438.80 is: 7,092,394.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320,700.40 : 7,980,754.40 = 4,728,438.80 : x
  2. Step 2: Convert to fraction form
    5,320,700.40/7,980,754.40 = 4,728,438.80/x
  3. Step 3: Cross multiply
    5,320,700.40x = 7,980,754.40 × 4,728,438.80
  4. Step 4: Simplify right side
    5,320,700.40x = 37,736,508,758,230.72
  5. Step 5: Solve for x
    x = 37,736,508,758,230.72/5,320,700.40
  6. Step 6: Final answer
    x = 7,092,394.97

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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.