Home / 836,198.10-1,254,297.15-688,575.60

Finding the Fourth Proportional to 836,198.10, 1,254,297.15 and 688,575.60

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Solution

The fourth proportional to 836,198.10, 1,254,297.15 and 688,575.60 is: 1,032,863.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,198.10 : 1,254,297.15 = 688,575.60 : x
  2. Step 2: Convert to fraction form
    836,198.10/1,254,297.15 = 688,575.60/x
  3. Step 3: Cross multiply
    836,198.10x = 1,254,297.15 × 688,575.60
  4. Step 4: Simplify right side
    836,198.10x = 863,678,412,639.54
  5. Step 5: Solve for x
    x = 863,678,412,639.54/836,198.10
  6. Step 6: Final answer
    x = 1,032,863.40

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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.