Home / 1,082,214.30-1,623,321.45-491,238.30

Finding the Fourth Proportional to 1,082,214.30, 1,623,321.45 and 491,238.30

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Solution

The fourth proportional to 1,082,214.30, 1,623,321.45 and 491,238.30 is: 736,857.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,214.30 : 1,623,321.45 = 491,238.30 : x
  2. Step 2: Convert to fraction form
    1,082,214.30/1,623,321.45 = 491,238.30/x
  3. Step 3: Cross multiply
    1,082,214.30x = 1,623,321.45 × 491,238.30
  4. Step 4: Simplify right side
    1,082,214.30x = 797,437,669,451.54
  5. Step 5: Solve for x
    x = 797,437,669,451.54/1,082,214.30
  6. Step 6: Final answer
    x = 736,857.45

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Half scale
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Double scale
Find fourth proportional to 1,082,215.30, 1,623,322.95 and 491,239.30
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.