Home / 1,692,605.80-2,538,881.97-681,703.93

Finding the Fourth Proportional to 1,692,605.80, 2,538,881.97 and 681,703.93

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Solution

The fourth proportional to 1,692,605.80, 2,538,881.97 and 681,703.93 is: 1,022,545.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,605.80 : 2,538,881.97 = 681,703.93 : x
  2. Step 2: Convert to fraction form
    1,692,605.80/2,538,881.97 = 681,703.93/x
  3. Step 3: Cross multiply
    1,692,605.80x = 2,538,881.97 × 681,703.93
  4. Step 4: Simplify right side
    1,692,605.80x = 1,730,765,816,755.14
  5. Step 5: Solve for x
    x = 1,730,765,816,755.14/1,692,605.80
  6. Step 6: Final answer
    x = 1,022,545.13

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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.