Home / 739,283.42-1,109,003.00-306,951.79

Finding the Fourth Proportional to 739,283.42, 1,109,003.00 and 306,951.79

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Solution

The fourth proportional to 739,283.42, 1,109,003.00 and 306,951.79 is: 460,460.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,283.42 : 1,109,003.00 = 306,951.79 : x
  2. Step 2: Convert to fraction form
    739,283.42/1,109,003.00 = 306,951.79/x
  3. Step 3: Cross multiply
    739,283.42x = 1,109,003.00 × 306,951.79
  4. Step 4: Simplify right side
    739,283.42x = 340,410,456,732.75
  5. Step 5: Solve for x
    x = 340,410,456,732.75/739,283.42
  6. Step 6: Final answer
    x = 460,460.02

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Double scale
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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.