Home / 1,579,085.52-2,368,606.28-380,997.78

Finding the Fourth Proportional to 1,579,085.52, 2,368,606.28 and 380,997.78

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Solution

The fourth proportional to 1,579,085.52, 2,368,606.28 and 380,997.78 is: 571,491.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,085.52 : 2,368,606.28 = 380,997.78 : x
  2. Step 2: Convert to fraction form
    1,579,085.52/2,368,606.28 = 380,997.78/x
  3. Step 3: Cross multiply
    1,579,085.52x = 2,368,606.28 × 380,997.78
  4. Step 4: Simplify right side
    1,579,085.52x = 902,433,732,469.07
  5. Step 5: Solve for x
    x = 902,433,732,469.07/1,579,085.52
  6. Step 6: Final answer
    x = 571,491.36

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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.