Home / 844,957.17-1,261,289.35-782,512.86

Finding the Fourth Proportional to 844,957.17, 1,261,289.35 and 782,512.86

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Solution

The fourth proportional to 844,957.17, 1,261,289.35 and 782,512.86 is: 1,168,077.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,957.17 : 1,261,289.35 = 782,512.86 : x
  2. Step 2: Convert to fraction form
    844,957.17/1,261,289.35 = 782,512.86/x
  3. Step 3: Cross multiply
    844,957.17x = 1,261,289.35 × 782,512.86
  4. Step 4: Simplify right side
    844,957.17x = 986,975,136,556.04
  5. Step 5: Solve for x
    x = 986,975,136,556.04/844,957.17
  6. Step 6: Final answer
    x = 1,168,077.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.