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Finding the Fourth Proportional to 1,183,599, 1,633,392.54 and 647,055

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Solution

The fourth proportional to 1,183,599, 1,633,392.54 and 647,055 is: 892,950.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,599 : 1,633,392.54 = 647,055 : x
  2. Step 2: Convert to fraction form
    1,183,599/1,633,392.54 = 647,055/x
  3. Step 3: Cross multiply
    1,183,599x = 1,633,392.54 × 647,055
  4. Step 4: Simplify right side
    1,183,599x = 1,056,894,809,969.70
  5. Step 5: Solve for x
    x = 1,056,894,809,969.70/1,183,599
  6. Step 6: Final answer
    x = 892,950.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.