Home / 778,409.60-1,168,003.20-441,708.80

Finding the Fourth Proportional to 778,409.60, 1,168,003.20 and 441,708.80

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Solution

The fourth proportional to 778,409.60, 1,168,003.20 and 441,708.80 is: 662,783.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,409.60 : 1,168,003.20 = 441,708.80 : x
  2. Step 2: Convert to fraction form
    778,409.60/1,168,003.20 = 441,708.80/x
  3. Step 3: Cross multiply
    778,409.60x = 1,168,003.20 × 441,708.80
  4. Step 4: Simplify right side
    778,409.60x = 515,917,291,868.16
  5. Step 5: Solve for x
    x = 515,917,291,868.16/778,409.60
  6. Step 6: Final answer
    x = 662,783.82

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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.