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Finding the Fourth Proportional to 1,188,726, 1,640,470.68 and 652,182

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Solution

The fourth proportional to 1,188,726, 1,640,470.68 and 652,182 is: 900,026.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,726 : 1,640,470.68 = 652,182 : x
  2. Step 2: Convert to fraction form
    1,188,726/1,640,470.68 = 652,182/x
  3. Step 3: Cross multiply
    1,188,726x = 1,640,470.68 × 652,182
  4. Step 4: Simplify right side
    1,188,726x = 1,069,885,449,023.76
  5. Step 5: Solve for x
    x = 1,069,885,449,023.76/1,188,726
  6. Step 6: Final answer
    x = 900,026.96

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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.