Home / 4,320,131.40-6,480,197.10-1,479,299.40

Finding the Fourth Proportional to 4,320,131.40, 6,480,197.10 and 1,479,299.40

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Solution

The fourth proportional to 4,320,131.40, 6,480,197.10 and 1,479,299.40 is: 2,218,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320,131.40 : 6,480,197.10 = 1,479,299.40 : x
  2. Step 2: Convert to fraction form
    4,320,131.40/6,480,197.10 = 1,479,299.40/x
  3. Step 3: Cross multiply
    4,320,131.40x = 6,480,197.10 × 1,479,299.40
  4. Step 4: Simplify right side
    4,320,131.40x = 9,586,151,681,911.74
  5. Step 5: Solve for x
    x = 9,586,151,681,911.74/4,320,131.40
  6. Step 6: Final answer
    x = 2,218,949.10

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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.