Home / 1,229,402.14-1,843,659.87-519,485.20

Finding the Fourth Proportional to 1,229,402.14, 1,843,659.87 and 519,485.20

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Solution

The fourth proportional to 1,229,402.14, 1,843,659.87 and 519,485.20 is: 779,040.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,402.14 : 1,843,659.87 = 519,485.20 : x
  2. Step 2: Convert to fraction form
    1,229,402.14/1,843,659.87 = 519,485.20/x
  3. Step 3: Cross multiply
    1,229,402.14x = 1,843,659.87 × 519,485.20
  4. Step 4: Simplify right side
    1,229,402.14x = 957,754,016,298.92
  5. Step 5: Solve for x
    x = 957,754,016,298.92/1,229,402.14
  6. Step 6: Final answer
    x = 779,040.47

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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.