Home / 1,231,600.82-1,699,126.47-715,266.45

Finding the Fourth Proportional to 1,231,600.82, 1,699,126.47 and 715,266.45

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Solution

The fourth proportional to 1,231,600.82, 1,699,126.47 and 715,266.45 is: 986,787.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,600.82 : 1,699,126.47 = 715,266.45 : x
  2. Step 2: Convert to fraction form
    1,231,600.82/1,699,126.47 = 715,266.45/x
  3. Step 3: Cross multiply
    1,231,600.82x = 1,699,126.47 × 715,266.45
  4. Step 4: Simplify right side
    1,231,600.82x = 1,215,328,158,297.93
  5. Step 5: Solve for x
    x = 1,215,328,158,297.93/1,231,600.82
  6. Step 6: Final answer
    x = 986,787.39

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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.