Home / 582,541.40-873,812.10-395,917.40

Finding the Fourth Proportional to 582,541.40, 873,812.10 and 395,917.40

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Solution

The fourth proportional to 582,541.40, 873,812.10 and 395,917.40 is: 593,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,541.40 : 873,812.10 = 395,917.40 : x
  2. Step 2: Convert to fraction form
    582,541.40/873,812.10 = 395,917.40/x
  3. Step 3: Cross multiply
    582,541.40x = 873,812.10 × 395,917.40
  4. Step 4: Simplify right side
    582,541.40x = 345,957,414,720.54
  5. Step 5: Solve for x
    x = 345,957,414,720.54/582,541.40
  6. Step 6: Final answer
    x = 593,876.10

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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.