Home / 6,665,643.60-9,998,465.40-3,476,997.60

Finding the Fourth Proportional to 6,665,643.60, 9,998,465.40 and 3,476,997.60

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Solution

The fourth proportional to 6,665,643.60, 9,998,465.40 and 3,476,997.60 is: 5,215,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665,643.60 : 9,998,465.40 = 3,476,997.60 : x
  2. Step 2: Convert to fraction form
    6,665,643.60/9,998,465.40 = 3,476,997.60/x
  3. Step 3: Cross multiply
    6,665,643.60x = 9,998,465.40 × 3,476,997.60
  4. Step 4: Simplify right side
    6,665,643.60x = 34,764,640,199,483.04
  5. Step 5: Solve for x
    x = 34,764,640,199,483.04/6,665,643.60
  6. Step 6: Final answer
    x = 5,215,496.40

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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.