Home / 823,661.04-1,236,290.49-397,496.78

Finding the Fourth Proportional to 823,661.04, 1,236,290.49 and 397,496.78

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Solution

The fourth proportional to 823,661.04, 1,236,290.49 and 397,496.78 is: 596,630.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,661.04 : 1,236,290.49 = 397,496.78 : x
  2. Step 2: Convert to fraction form
    823,661.04/1,236,290.49 = 397,496.78/x
  3. Step 3: Cross multiply
    823,661.04x = 1,236,290.49 × 397,496.78
  4. Step 4: Simplify right side
    823,661.04x = 491,421,482,738.17
  5. Step 5: Solve for x
    x = 491,421,482,738.17/823,661.04
  6. Step 6: Final answer
    x = 596,630.72

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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.