Home / 1,529,997.20-2,111,470.80-850,919.12

Finding the Fourth Proportional to 1,529,997.20, 2,111,470.80 and 850,919.12

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Solution

The fourth proportional to 1,529,997.20, 2,111,470.80 and 850,919.12 is: 1,174,309.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,997.20 : 2,111,470.80 = 850,919.12 : x
  2. Step 2: Convert to fraction form
    1,529,997.20/2,111,470.80 = 850,919.12/x
  3. Step 3: Cross multiply
    1,529,997.20x = 2,111,470.80 × 850,919.12
  4. Step 4: Simplify right side
    1,529,997.20x = 1,796,690,875,041.70
  5. Step 5: Solve for x
    x = 1,796,690,875,041.70/1,529,997.20
  6. Step 6: Final answer
    x = 1,174,309.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.