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Finding the Fourth Proportional to 1,136,336.64, 1,702,881 and 834,448.92

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Solution

The fourth proportional to 1,136,336.64, 1,702,881 and 834,448.92 is: 1,250,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,336.64 : 1,702,881 = 834,448.92 : x
  2. Step 2: Convert to fraction form
    1,136,336.64/1,702,881 = 834,448.92/x
  3. Step 3: Cross multiply
    1,136,336.64x = 1,702,881 × 834,448.92
  4. Step 4: Simplify right side
    1,136,336.64x = 1,420,967,211,338.52
  5. Step 5: Solve for x
    x = 1,420,967,211,338.52/1,136,336.64
  6. Step 6: Final answer
    x = 1,250,480.85

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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.