Home / 742,855.78-1,022,845.60-580,169.44

Finding the Fourth Proportional to 742,855.78, 1,022,845.60 and 580,169.44

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Solution

The fourth proportional to 742,855.78, 1,022,845.60 and 580,169.44 is: 798,841.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,855.78 : 1,022,845.60 = 580,169.44 : x
  2. Step 2: Convert to fraction form
    742,855.78/1,022,845.60 = 580,169.44/x
  3. Step 3: Cross multiply
    742,855.78x = 1,022,845.60 × 580,169.44
  4. Step 4: Simplify right side
    742,855.78x = 593,423,758,958.46
  5. Step 5: Solve for x
    x = 593,423,758,958.46/742,855.78
  6. Step 6: Final answer
    x = 798,841.14

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1.5x scale

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.