Home / 1,082,116.90-1,623,175.35-521,016.10

Finding the Fourth Proportional to 1,082,116.90, 1,623,175.35 and 521,016.10

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Solution

The fourth proportional to 1,082,116.90, 1,623,175.35 and 521,016.10 is: 781,524.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,116.90 : 1,623,175.35 = 521,016.10 : x
  2. Step 2: Convert to fraction form
    1,082,116.90/1,623,175.35 = 521,016.10/x
  3. Step 3: Cross multiply
    1,082,116.90x = 1,623,175.35 × 521,016.10
  4. Step 4: Simplify right side
    1,082,116.90x = 845,700,490,473.14
  5. Step 5: Solve for x
    x = 845,700,490,473.14/1,082,116.90
  6. Step 6: Final answer
    x = 781,524.15

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Double scale
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Similar ratio
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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.