Home / 1,490,165.20-2,233,984.20-542,983.60

Finding the Fourth Proportional to 1,490,165.20, 2,233,984.20 and 542,983.60

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Solution

The fourth proportional to 1,490,165.20, 2,233,984.20 and 542,983.60 is: 814,014.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,165.20 : 2,233,984.20 = 542,983.60 : x
  2. Step 2: Convert to fraction form
    1,490,165.20/2,233,984.20 = 542,983.60/x
  3. Step 3: Cross multiply
    1,490,165.20x = 2,233,984.20 × 542,983.60
  4. Step 4: Simplify right side
    1,490,165.20x = 1,213,016,783,259.12
  5. Step 5: Solve for x
    x = 1,213,016,783,259.12/1,490,165.20
  6. Step 6: Final answer
    x = 814,014.97

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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.