Home / 823,667.04-1,236,299.49-397,502.82

Finding the Fourth Proportional to 823,667.04, 1,236,299.49 and 397,502.82

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Solution

The fourth proportional to 823,667.04, 1,236,299.49 and 397,502.82 is: 596,639.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,667.04 : 1,236,299.49 = 397,502.82 : x
  2. Step 2: Convert to fraction form
    823,667.04/1,236,299.49 = 397,502.82/x
  3. Step 3: Cross multiply
    823,667.04x = 1,236,299.49 × 397,502.82
  4. Step 4: Simplify right side
    823,667.04x = 491,432,533,639.56
  5. Step 5: Solve for x
    x = 491,432,533,639.56/823,667.04
  6. Step 6: Final answer
    x = 596,639.79

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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.