Home / 858,815.78-1,294,255.56-773,533.72

Finding the Fourth Proportional to 858,815.78, 1,294,255.56 and 773,533.72

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Solution

The fourth proportional to 858,815.78, 1,294,255.56 and 773,533.72 is: 1,165,733.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,815.78 : 1,294,255.56 = 773,533.72 : x
  2. Step 2: Convert to fraction form
    858,815.78/1,294,255.56 = 773,533.72/x
  3. Step 3: Cross multiply
    858,815.78x = 1,294,255.56 × 773,533.72
  4. Step 4: Simplify right side
    858,815.78x = 1,001,150,317,957.48
  5. Step 5: Solve for x
    x = 1,001,150,317,957.48/858,815.78
  6. Step 6: Final answer
    x = 1,165,733.49

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.