Home / 790,892.84-1,091,540.75-484,915.14

Finding the Fourth Proportional to 790,892.84, 1,091,540.75 and 484,915.14

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Solution

The fourth proportional to 790,892.84, 1,091,540.75 and 484,915.14 is: 669,249.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,892.84 : 1,091,540.75 = 484,915.14 : x
  2. Step 2: Convert to fraction form
    790,892.84/1,091,540.75 = 484,915.14/x
  3. Step 3: Cross multiply
    790,892.84x = 1,091,540.75 × 484,915.14
  4. Step 4: Simplify right side
    790,892.84x = 529,304,633,177.38
  5. Step 5: Solve for x
    x = 529,304,633,177.38/790,892.84
  6. Step 6: Final answer
    x = 669,249.49

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Double scale
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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.