Home / 1,497,664.89-2,066,778.59-818,601.39

Finding the Fourth Proportional to 1,497,664.89, 2,066,778.59 and 818,601.39

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Solution

The fourth proportional to 1,497,664.89, 2,066,778.59 and 818,601.39 is: 1,129,670.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497,664.89 : 2,066,778.59 = 818,601.39 : x
  2. Step 2: Convert to fraction form
    1,497,664.89/2,066,778.59 = 818,601.39/x
  3. Step 3: Cross multiply
    1,497,664.89x = 2,066,778.59 × 818,601.39
  4. Step 4: Simplify right side
    1,497,664.89x = 1,691,867,822,503.23
  5. Step 5: Solve for x
    x = 1,691,867,822,503.23/1,497,664.89
  6. Step 6: Final answer
    x = 1,129,670.48

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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.