Home / 3,688,087.80-5,532,131.70-1,163,998.20

Finding the Fourth Proportional to 3,688,087.80, 5,532,131.70 and 1,163,998.20

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Solution

The fourth proportional to 3,688,087.80, 5,532,131.70 and 1,163,998.20 is: 1,745,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688,087.80 : 5,532,131.70 = 1,163,998.20 : x
  2. Step 2: Convert to fraction form
    3,688,087.80/5,532,131.70 = 1,163,998.20/x
  3. Step 3: Cross multiply
    3,688,087.80x = 5,532,131.70 × 1,163,998.20
  4. Step 4: Simplify right side
    3,688,087.80x = 6,439,391,340,962.94
  5. Step 5: Solve for x
    x = 6,439,391,340,962.94/3,688,087.80
  6. Step 6: Final answer
    x = 1,745,997.30

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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.