Home / 674,935.01-1,013,977.16-394,649.09

Finding the Fourth Proportional to 674,935.01, 1,013,977.16 and 394,649.09

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Solution

The fourth proportional to 674,935.01, 1,013,977.16 and 394,649.09 is: 592,894.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,935.01 : 1,013,977.16 = 394,649.09 : x
  2. Step 2: Convert to fraction form
    674,935.01/1,013,977.16 = 394,649.09/x
  3. Step 3: Cross multiply
    674,935.01x = 1,013,977.16 × 394,649.09
  4. Step 4: Simplify right side
    674,935.01x = 400,165,161,501.54
  5. Step 5: Solve for x
    x = 400,165,161,501.54/674,935.01
  6. Step 6: Final answer
    x = 592,894.36

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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.