Home / 836,884.32-1,155,841.20-648,180.96

Finding the Fourth Proportional to 836,884.32, 1,155,841.20 and 648,180.96

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Solution

The fourth proportional to 836,884.32, 1,155,841.20 and 648,180.96 is: 895,218.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,884.32 : 1,155,841.20 = 648,180.96 : x
  2. Step 2: Convert to fraction form
    836,884.32/1,155,841.20 = 648,180.96/x
  3. Step 3: Cross multiply
    836,884.32x = 1,155,841.20 × 648,180.96
  4. Step 4: Simplify right side
    836,884.32x = 749,194,258,623.55
  5. Step 5: Solve for x
    x = 749,194,258,623.55/836,884.32
  6. Step 6: Final answer
    x = 895,218.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.