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Finding the Fourth Proportional to 3,146,018, 4,719,044.28 and 782,114

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Solution

The fourth proportional to 3,146,018, 4,719,044.28 and 782,114 is: 1,173,175.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146,018 : 4,719,044.28 = 782,114 : x
  2. Step 2: Convert to fraction form
    3,146,018/4,719,044.28 = 782,114/x
  3. Step 3: Cross multiply
    3,146,018x = 4,719,044.28 × 782,114
  4. Step 4: Simplify right side
    3,146,018x = 3,690,830,598,007.92
  5. Step 5: Solve for x
    x = 3,690,830,598,007.92/3,146,018
  6. Step 6: Final answer
    x = 1,173,175.30

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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.