Home / 806,999.37-1,113,616.49-462,817.51

Finding the Fourth Proportional to 806,999.37, 1,113,616.49 and 462,817.51

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Solution

The fourth proportional to 806,999.37, 1,113,616.49 and 462,817.51 is: 638,663.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,999.37 : 1,113,616.49 = 462,817.51 : x
  2. Step 2: Convert to fraction form
    806,999.37/1,113,616.49 = 462,817.51/x
  3. Step 3: Cross multiply
    806,999.37x = 1,113,616.49 × 462,817.51
  4. Step 4: Simplify right side
    806,999.37x = 515,401,205,898.61
  5. Step 5: Solve for x
    x = 515,401,205,898.61/806,999.37
  6. Step 6: Final answer
    x = 638,663.71

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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.