Home / 1,447,378.20-2,171,067.30-650,216.70

Finding the Fourth Proportional to 1,447,378.20, 2,171,067.30 and 650,216.70

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Solution

The fourth proportional to 1,447,378.20, 2,171,067.30 and 650,216.70 is: 975,325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,378.20 : 2,171,067.30 = 650,216.70 : x
  2. Step 2: Convert to fraction form
    1,447,378.20/2,171,067.30 = 650,216.70/x
  3. Step 3: Cross multiply
    1,447,378.20x = 2,171,067.30 × 650,216.70
  4. Step 4: Simplify right side
    1,447,378.20x = 1,411,664,215,283.91
  5. Step 5: Solve for x
    x = 1,411,664,215,283.91/1,447,378.20
  6. Step 6: Final answer
    x = 975,325.05

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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.