Home / 887,769.42-1,331,851.42-414,196.44

Finding the Fourth Proportional to 887,769.42, 1,331,851.42 and 414,196.44

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Solution

The fourth proportional to 887,769.42, 1,331,851.42 and 414,196.44 is: 621,386.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,769.42 : 1,331,851.42 = 414,196.44 : x
  2. Step 2: Convert to fraction form
    887,769.42/1,331,851.42 = 414,196.44/x
  3. Step 3: Cross multiply
    887,769.42x = 1,331,851.42 × 414,196.44
  4. Step 4: Simplify right side
    887,769.42x = 551,648,116,772.95
  5. Step 5: Solve for x
    x = 551,648,116,772.95/887,769.42
  6. Step 6: Final answer
    x = 621,386.71

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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.