Home / 1,517,563.80-2,276,345.70-395,632.80

Finding the Fourth Proportional to 1,517,563.80, 2,276,345.70 and 395,632.80

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Solution

The fourth proportional to 1,517,563.80, 2,276,345.70 and 395,632.80 is: 593,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,563.80 : 2,276,345.70 = 395,632.80 : x
  2. Step 2: Convert to fraction form
    1,517,563.80/2,276,345.70 = 395,632.80/x
  3. Step 3: Cross multiply
    1,517,563.80x = 2,276,345.70 × 395,632.80
  4. Step 4: Simplify right side
    1,517,563.80x = 900,597,023,058.96
  5. Step 5: Solve for x
    x = 900,597,023,058.96/1,517,563.80
  6. Step 6: Final answer
    x = 593,449.20

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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.