Home / 764,616.78-1,146,983.49-232,181.91

Finding the Fourth Proportional to 764,616.78, 1,146,983.49 and 232,181.91

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Solution

The fourth proportional to 764,616.78, 1,146,983.49 and 232,181.91 is: 348,290.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,616.78 : 1,146,983.49 = 232,181.91 : x
  2. Step 2: Convert to fraction form
    764,616.78/1,146,983.49 = 232,181.91/x
  3. Step 3: Cross multiply
    764,616.78x = 1,146,983.49 × 232,181.91
  4. Step 4: Simplify right side
    764,616.78x = 266,308,817,446.67
  5. Step 5: Solve for x
    x = 266,308,817,446.67/764,616.78
  6. Step 6: Final answer
    x = 348,290.57

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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.