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Finding the Fourth Proportional to 922,670.40, 1,384,005.60 and 834,096.90

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Solution

The fourth proportional to 922,670.40, 1,384,005.60 and 834,096.90 is: 1,251,145.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,670.40 : 1,384,005.60 = 834,096.90 : x
  2. Step 2: Convert to fraction form
    922,670.40/1,384,005.60 = 834,096.90/x
  3. Step 3: Cross multiply
    922,670.40x = 1,384,005.60 × 834,096.90
  4. Step 4: Simplify right side
    922,670.40x = 1,154,394,780,542.64
  5. Step 5: Solve for x
    x = 1,154,394,780,542.64/922,670.40
  6. Step 6: Final answer
    x = 1,251,145.35

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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.