Home / 1,696,269.89-2,545,666.20-685,400.63

Finding the Fourth Proportional to 1,696,269.89, 2,545,666.20 and 685,400.63

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Solution

The fourth proportional to 1,696,269.89, 2,545,666.20 and 685,400.63 is: 1,028,610.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696,269.89 : 2,545,666.20 = 685,400.63 : x
  2. Step 2: Convert to fraction form
    1,696,269.89/2,545,666.20 = 685,400.63/x
  3. Step 3: Cross multiply
    1,696,269.89x = 2,545,666.20 × 685,400.63
  4. Step 4: Simplify right side
    1,696,269.89x = 1,744,801,217,249.71
  5. Step 5: Solve for x
    x = 1,744,801,217,249.71/1,696,269.89
  6. Step 6: Final answer
    x = 1,028,610.62

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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.