Home / 1,326,194.80-1,990,069.80-484,831.60

Finding the Fourth Proportional to 1,326,194.80, 1,990,069.80 and 484,831.60

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Solution

The fourth proportional to 1,326,194.80, 1,990,069.80 and 484,831.60 is: 727,531.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,194.80 : 1,990,069.80 = 484,831.60 : x
  2. Step 2: Convert to fraction form
    1,326,194.80/1,990,069.80 = 484,831.60/x
  3. Step 3: Cross multiply
    1,326,194.80x = 1,990,069.80 × 484,831.60
  4. Step 4: Simplify right side
    1,326,194.80x = 964,848,725,245.68
  5. Step 5: Solve for x
    x = 964,848,725,245.68/1,326,194.80
  6. Step 6: Final answer
    x = 727,531.68

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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.