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Finding the Fourth Proportional to 1,234,968, 1,704,255.84 and 669,720

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Solution

The fourth proportional to 1,234,968, 1,704,255.84 and 669,720 is: 924,213.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,968 : 1,704,255.84 = 669,720 : x
  2. Step 2: Convert to fraction form
    1,234,968/1,704,255.84 = 669,720/x
  3. Step 3: Cross multiply
    1,234,968x = 1,704,255.84 × 669,720
  4. Step 4: Simplify right side
    1,234,968x = 1,141,374,221,164.80
  5. Step 5: Solve for x
    x = 1,141,374,221,164.80/1,234,968
  6. Step 6: Final answer
    x = 924,213.60

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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.