Home / 744,582.80-1,116,874.20-461,147.60

Finding the Fourth Proportional to 744,582.80, 1,116,874.20 and 461,147.60

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Solution

The fourth proportional to 744,582.80, 1,116,874.20 and 461,147.60 is: 691,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,582.80 : 1,116,874.20 = 461,147.60 : x
  2. Step 2: Convert to fraction form
    744,582.80/1,116,874.20 = 461,147.60/x
  3. Step 3: Cross multiply
    744,582.80x = 1,116,874.20 × 461,147.60
  4. Step 4: Simplify right side
    744,582.80x = 515,043,856,831.92
  5. Step 5: Solve for x
    x = 515,043,856,831.92/744,582.80
  6. Step 6: Final answer
    x = 691,721.40

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Similar ratio
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1.5x scale

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.