Home / 836,719.80-1,254,204.90-457,056.60

Finding the Fourth Proportional to 836,719.80, 1,254,204.90 and 457,056.60

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Solution

The fourth proportional to 836,719.80, 1,254,204.90 and 457,056.60 is: 685,107.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,719.80 : 1,254,204.90 = 457,056.60 : x
  2. Step 2: Convert to fraction form
    836,719.80/1,254,204.90 = 457,056.60/x
  3. Step 3: Cross multiply
    836,719.80x = 1,254,204.90 × 457,056.60
  4. Step 4: Simplify right side
    836,719.80x = 573,242,627,297.34
  5. Step 5: Solve for x
    x = 573,242,627,297.34/836,719.80
  6. Step 6: Final answer
    x = 685,107.04

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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.