Home / 737,512.40-1,105,102.20-618,539.60

Finding the Fourth Proportional to 737,512.40, 1,105,102.20 and 618,539.60

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Solution

The fourth proportional to 737,512.40, 1,105,102.20 and 618,539.60 is: 926,831.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,512.40 : 1,105,102.20 = 618,539.60 : x
  2. Step 2: Convert to fraction form
    737,512.40/1,105,102.20 = 618,539.60/x
  3. Step 3: Cross multiply
    737,512.40x = 1,105,102.20 × 618,539.60
  4. Step 4: Simplify right side
    737,512.40x = 683,549,472,747.12
  5. Step 5: Solve for x
    x = 683,549,472,747.12/737,512.40
  6. Step 6: Final answer
    x = 926,831.16

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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.