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Finding the Fourth Proportional to 1,234,970, 1,704,258.60 and 669,722

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Solution

The fourth proportional to 1,234,970, 1,704,258.60 and 669,722 is: 924,216.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,970 : 1,704,258.60 = 669,722 : x
  2. Step 2: Convert to fraction form
    1,234,970/1,704,258.60 = 669,722/x
  3. Step 3: Cross multiply
    1,234,970x = 1,704,258.60 × 669,722
  4. Step 4: Simplify right side
    1,234,970x = 1,141,379,478,109.20
  5. Step 5: Solve for x
    x = 1,141,379,478,109.20/1,234,970
  6. Step 6: Final answer
    x = 924,216.36

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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.