Home / 822,471.84-1,233,694.80-261,498.24

Finding the Fourth Proportional to 822,471.84, 1,233,694.80 and 261,498.24

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Solution

The fourth proportional to 822,471.84, 1,233,694.80 and 261,498.24 is: 392,243.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,471.84 : 1,233,694.80 = 261,498.24 : x
  2. Step 2: Convert to fraction form
    822,471.84/1,233,694.80 = 261,498.24/x
  3. Step 3: Cross multiply
    822,471.84x = 1,233,694.80 × 261,498.24
  4. Step 4: Simplify right side
    822,471.84x = 322,609,018,897.15
  5. Step 5: Solve for x
    x = 322,609,018,897.15/822,471.84
  6. Step 6: Final answer
    x = 392,243.24

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Half scale
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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.