Home / 822,589.52-1,233,425.82-253,809.12

Finding the Fourth Proportional to 822,589.52, 1,233,425.82 and 253,809.12

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Solution

The fourth proportional to 822,589.52, 1,233,425.82 and 253,809.12 is: 380,572.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,589.52 : 1,233,425.82 = 253,809.12 : x
  2. Step 2: Convert to fraction form
    822,589.52/1,233,425.82 = 253,809.12/x
  3. Step 3: Cross multiply
    822,589.52x = 1,233,425.82 × 253,809.12
  4. Step 4: Simplify right side
    822,589.52x = 313,054,721,959.48
  5. Step 5: Solve for x
    x = 313,054,721,959.48/822,589.52
  6. Step 6: Final answer
    x = 380,572.22

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Double scale
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Similar ratio
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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.