Home / 1,337,772.09-1,845,353.40-853,791.72

Finding the Fourth Proportional to 1,337,772.09, 1,845,353.40 and 853,791.72

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Solution

The fourth proportional to 1,337,772.09, 1,845,353.40 and 853,791.72 is: 1,177,739.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,772.09 : 1,845,353.40 = 853,791.72 : x
  2. Step 2: Convert to fraction form
    1,337,772.09/1,845,353.40 = 853,791.72/x
  3. Step 3: Cross multiply
    1,337,772.09x = 1,845,353.40 × 853,791.72
  4. Step 4: Simplify right side
    1,337,772.09x = 1,575,547,453,393.85
  5. Step 5: Solve for x
    x = 1,575,547,453,393.85/1,337,772.09
  6. Step 6: Final answer
    x = 1,177,739.81

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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.