Home / 1,536,807.75-2,305,179.40-512,212.20

Finding the Fourth Proportional to 1,536,807.75, 2,305,179.40 and 512,212.20

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Solution

The fourth proportional to 1,536,807.75, 2,305,179.40 and 512,212.20 is: 768,307.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,807.75 : 2,305,179.40 = 512,212.20 : x
  2. Step 2: Convert to fraction form
    1,536,807.75/2,305,179.40 = 512,212.20/x
  3. Step 3: Cross multiply
    1,536,807.75x = 2,305,179.40 × 512,212.20
  4. Step 4: Simplify right side
    1,536,807.75x = 1,180,741,011,868.68
  5. Step 5: Solve for x
    x = 1,180,741,011,868.68/1,536,807.75
  6. Step 6: Final answer
    x = 768,307.56

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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.