Home / 1,418,349.60-1,957,576.32-845,426.88

Finding the Fourth Proportional to 1,418,349.60, 1,957,576.32 and 845,426.88

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Solution

The fourth proportional to 1,418,349.60, 1,957,576.32 and 845,426.88 is: 1,166,840.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,349.60 : 1,957,576.32 = 845,426.88 : x
  2. Step 2: Convert to fraction form
    1,418,349.60/1,957,576.32 = 845,426.88/x
  3. Step 3: Cross multiply
    1,418,349.60x = 1,957,576.32 × 845,426.88
  4. Step 4: Simplify right side
    1,418,349.60x = 1,654,987,640,579.48
  5. Step 5: Solve for x
    x = 1,654,987,640,579.48/1,418,349.60
  6. Step 6: Final answer
    x = 1,166,840.42

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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.