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Finding the Fourth Proportional to 1,174,357, 1,620,612.66 and 637,813

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Solution

The fourth proportional to 1,174,357, 1,620,612.66 and 637,813 is: 880,181.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,357 : 1,620,612.66 = 637,813 : x
  2. Step 2: Convert to fraction form
    1,174,357/1,620,612.66 = 637,813/x
  3. Step 3: Cross multiply
    1,174,357x = 1,620,612.66 × 637,813
  4. Step 4: Simplify right side
    1,174,357x = 1,033,647,822,512.58
  5. Step 5: Solve for x
    x = 1,033,647,822,512.58/1,174,357
  6. Step 6: Final answer
    x = 880,181.94

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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.