Home / 893,178.80-1,339,768.20-609,743.60

Finding the Fourth Proportional to 893,178.80, 1,339,768.20 and 609,743.60

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Solution

The fourth proportional to 893,178.80, 1,339,768.20 and 609,743.60 is: 914,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,178.80 : 1,339,768.20 = 609,743.60 : x
  2. Step 2: Convert to fraction form
    893,178.80/1,339,768.20 = 609,743.60/x
  3. Step 3: Cross multiply
    893,178.80x = 1,339,768.20 × 609,743.60
  4. Step 4: Simplify right side
    893,178.80x = 816,915,085,433.52
  5. Step 5: Solve for x
    x = 816,915,085,433.52/893,178.80
  6. Step 6: Final answer
    x = 914,615.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.