Home / 5,301,200.80-7,942,431.60-5,125,789.60

Finding the Fourth Proportional to 5,301,200.80, 7,942,431.60 and 5,125,789.60

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Solution

The fourth proportional to 5,301,200.80, 7,942,431.60 and 5,125,789.60 is: 7,679,624.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301,200.80 : 7,942,431.60 = 5,125,789.60 : x
  2. Step 2: Convert to fraction form
    5,301,200.80/7,942,431.60 = 5,125,789.60/x
  3. Step 3: Cross multiply
    5,301,200.80x = 7,942,431.60 × 5,125,789.60
  4. Step 4: Simplify right side
    5,301,200.80x = 40,711,233,293,991.35
  5. Step 5: Solve for x
    x = 40,711,233,293,991.35/5,301,200.80
  6. Step 6: Final answer
    x = 7,679,624.83

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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.