Home / 764,434.30-1,146,647.40-195,814.30

Finding the Fourth Proportional to 764,434.30, 1,146,647.40 and 195,814.30

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Solution

The fourth proportional to 764,434.30, 1,146,647.40 and 195,814.30 is: 293,720.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,434.30 : 1,146,647.40 = 195,814.30 : x
  2. Step 2: Convert to fraction form
    764,434.30/1,146,647.40 = 195,814.30/x
  3. Step 3: Cross multiply
    764,434.30x = 1,146,647.40 × 195,814.30
  4. Step 4: Simplify right side
    764,434.30x = 224,529,957,977.82
  5. Step 5: Solve for x
    x = 224,529,957,977.82/764,434.30
  6. Step 6: Final answer
    x = 293,720.41

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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.