Home / 739,052.80-1,108,579.20-265,753.60

Finding the Fourth Proportional to 739,052.80, 1,108,579.20 and 265,753.60

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Solution

The fourth proportional to 739,052.80, 1,108,579.20 and 265,753.60 is: 398,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,052.80 : 1,108,579.20 = 265,753.60 : x
  2. Step 2: Convert to fraction form
    739,052.80/1,108,579.20 = 265,753.60/x
  3. Step 3: Cross multiply
    739,052.80x = 1,108,579.20 × 265,753.60
  4. Step 4: Simplify right side
    739,052.80x = 294,608,913,285.12
  5. Step 5: Solve for x
    x = 294,608,913,285.12/739,052.80
  6. Step 6: Final answer
    x = 398,630.40

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Double scale
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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.