Home / 1,620,165.78-2,430,593.12-554,921.82

Finding the Fourth Proportional to 1,620,165.78, 2,430,593.12 and 554,921.82

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Solution

The fourth proportional to 1,620,165.78, 2,430,593.12 and 554,921.82 is: 832,500.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,165.78 : 2,430,593.12 = 554,921.82 : x
  2. Step 2: Convert to fraction form
    1,620,165.78/2,430,593.12 = 554,921.82/x
  3. Step 3: Cross multiply
    1,620,165.78x = 2,430,593.12 × 554,921.82
  4. Step 4: Simplify right side
    1,620,165.78x = 1,348,789,159,217.18
  5. Step 5: Solve for x
    x = 1,348,789,159,217.18/1,620,165.78
  6. Step 6: Final answer
    x = 832,500.71

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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.