Home / 406,245.12-560,616.84-227,397.12

Finding the Fourth Proportional to 406,245.12, 560,616.84 and 227,397.12

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Solution

The fourth proportional to 406,245.12, 560,616.84 and 227,397.12 is: 313,807.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,245.12 : 560,616.84 = 227,397.12 : x
  2. Step 2: Convert to fraction form
    406,245.12/560,616.84 = 227,397.12/x
  3. Step 3: Cross multiply
    406,245.12x = 560,616.84 × 227,397.12
  4. Step 4: Simplify right side
    406,245.12x = 127,482,654,839.50
  5. Step 5: Solve for x
    x = 127,482,654,839.50/406,245.12
  6. Step 6: Final answer
    x = 313,807.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.