Home / 1,529,936.38-2,111,383.60-885,231.86

Finding the Fourth Proportional to 1,529,936.38, 2,111,383.60 and 885,231.86

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Solution

The fourth proportional to 1,529,936.38, 2,111,383.60 and 885,231.86 is: 1,221,661.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,936.38 : 2,111,383.60 = 885,231.86 : x
  2. Step 2: Convert to fraction form
    1,529,936.38/2,111,383.60 = 885,231.86/x
  3. Step 3: Cross multiply
    1,529,936.38x = 2,111,383.60 × 885,231.86
  4. Step 4: Simplify right side
    1,529,936.38x = 1,869,064,031,401.50
  5. Step 5: Solve for x
    x = 1,869,064,031,401.50/1,529,936.38
  6. Step 6: Final answer
    x = 1,221,661.28

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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.