Home / 5,904,679.80-8,857,019.70-3,889,140.60

Finding the Fourth Proportional to 5,904,679.80, 8,857,019.70 and 3,889,140.60

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Solution

The fourth proportional to 5,904,679.80, 8,857,019.70 and 3,889,140.60 is: 5,833,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,904,679.80 : 8,857,019.70 = 3,889,140.60 : x
  2. Step 2: Convert to fraction form
    5,904,679.80/8,857,019.70 = 3,889,140.60/x
  3. Step 3: Cross multiply
    5,904,679.80x = 8,857,019.70 × 3,889,140.60
  4. Step 4: Simplify right side
    5,904,679.80x = 34,446,194,910,269.82
  5. Step 5: Solve for x
    x = 34,446,194,910,269.82/5,904,679.80
  6. Step 6: Final answer
    x = 5,833,710.90

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Double scale
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Similar ratio
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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.