Home / 1,305,666.63-1,801,358.06-853,220.07

Finding the Fourth Proportional to 1,305,666.63, 1,801,358.06 and 853,220.07

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Solution

The fourth proportional to 1,305,666.63, 1,801,358.06 and 853,220.07 is: 1,177,141.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,666.63 : 1,801,358.06 = 853,220.07 : x
  2. Step 2: Convert to fraction form
    1,305,666.63/1,801,358.06 = 853,220.07/x
  3. Step 3: Cross multiply
    1,305,666.63x = 1,801,358.06 × 853,220.07
  4. Step 4: Simplify right side
    1,305,666.63x = 1,536,954,845,782.16
  5. Step 5: Solve for x
    x = 1,536,954,845,782.16/1,305,666.63
  6. Step 6: Final answer
    x = 1,177,141.86

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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.