Home / 1,212,900.30-1,819,350.45-414,062.10

Finding the Fourth Proportional to 1,212,900.30, 1,819,350.45 and 414,062.10

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Solution

The fourth proportional to 1,212,900.30, 1,819,350.45 and 414,062.10 is: 621,093.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,900.30 : 1,819,350.45 = 414,062.10 : x
  2. Step 2: Convert to fraction form
    1,212,900.30/1,819,350.45 = 414,062.10/x
  3. Step 3: Cross multiply
    1,212,900.30x = 1,819,350.45 × 414,062.10
  4. Step 4: Simplify right side
    1,212,900.30x = 753,324,067,962.95
  5. Step 5: Solve for x
    x = 753,324,067,962.95/1,212,900.30
  6. Step 6: Final answer
    x = 621,093.15

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Double scale
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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.