Home / 1,110,921.89-1,666,212.65-352,664.38

Finding the Fourth Proportional to 1,110,921.89, 1,666,212.65 and 352,664.38

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Solution

The fourth proportional to 1,110,921.89, 1,666,212.65 and 352,664.38 is: 528,942.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,921.89 : 1,666,212.65 = 352,664.38 : x
  2. Step 2: Convert to fraction form
    1,110,921.89/1,666,212.65 = 352,664.38/x
  3. Step 3: Cross multiply
    1,110,921.89x = 1,666,212.65 × 352,664.38
  4. Step 4: Simplify right side
    1,110,921.89x = 587,613,853,794.21
  5. Step 5: Solve for x
    x = 587,613,853,794.21/1,110,921.89
  6. Step 6: Final answer
    x = 528,942.55

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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.