Home / 769,486.78-1,154,288.16-229,700.42

Finding the Fourth Proportional to 769,486.78, 1,154,288.16 and 229,700.42

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Solution

The fourth proportional to 769,486.78, 1,154,288.16 and 229,700.42 is: 344,567.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,486.78 : 1,154,288.16 = 229,700.42 : x
  2. Step 2: Convert to fraction form
    769,486.78/1,154,288.16 = 229,700.42/x
  3. Step 3: Cross multiply
    769,486.78x = 1,154,288.16 × 229,700.42
  4. Step 4: Simplify right side
    769,486.78x = 265,140,475,153.03
  5. Step 5: Solve for x
    x = 265,140,475,153.03/769,486.78
  6. Step 6: Final answer
    x = 344,567.94

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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.