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Finding the Fourth Proportional to 1,775,229.40, 2,662,844.10 and 1,019,402.20

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Solution

The fourth proportional to 1,775,229.40, 2,662,844.10 and 1,019,402.20 is: 1,529,103.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,229.40 : 2,662,844.10 = 1,019,402.20 : x
  2. Step 2: Convert to fraction form
    1,775,229.40/2,662,844.10 = 1,019,402.20/x
  3. Step 3: Cross multiply
    1,775,229.40x = 2,662,844.10 × 1,019,402.20
  4. Step 4: Simplify right side
    1,775,229.40x = 2,714,509,133,797.02
  5. Step 5: Solve for x
    x = 2,714,509,133,797.02/1,775,229.40
  6. Step 6: Final answer
    x = 1,529,103.30

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Similar ratio
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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.