Home / 688,092.60-1,032,138.90-530,628.60

Finding the Fourth Proportional to 688,092.60, 1,032,138.90 and 530,628.60

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Solution

The fourth proportional to 688,092.60, 1,032,138.90 and 530,628.60 is: 795,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,092.60 : 1,032,138.90 = 530,628.60 : x
  2. Step 2: Convert to fraction form
    688,092.60/1,032,138.90 = 530,628.60/x
  3. Step 3: Cross multiply
    688,092.60x = 1,032,138.90 × 530,628.60
  4. Step 4: Simplify right side
    688,092.60x = 547,682,419,512.54
  5. Step 5: Solve for x
    x = 547,682,419,512.54/688,092.60
  6. Step 6: Final answer
    x = 795,942.90

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Similar ratio
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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.