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Finding the Fourth Proportional to 1,234,974, 1,704,264.12 and 669,726

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Solution

The fourth proportional to 1,234,974, 1,704,264.12 and 669,726 is: 924,221.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,974 : 1,704,264.12 = 669,726 : x
  2. Step 2: Convert to fraction form
    1,234,974/1,704,264.12 = 669,726/x
  3. Step 3: Cross multiply
    1,234,974x = 1,704,264.12 × 669,726
  4. Step 4: Simplify right side
    1,234,974x = 1,141,389,992,031.12
  5. Step 5: Solve for x
    x = 1,141,389,992,031.12/1,234,974
  6. Step 6: Final answer
    x = 924,221.88

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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.