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Finding the Fourth Proportional to 1,235,059, 1,704,381.42 and 669,811

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Solution

The fourth proportional to 1,235,059, 1,704,381.42 and 669,811 is: 924,339.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,059 : 1,704,381.42 = 669,811 : x
  2. Step 2: Convert to fraction form
    1,235,059/1,704,381.42 = 669,811/x
  3. Step 3: Cross multiply
    1,235,059x = 1,704,381.42 × 669,811
  4. Step 4: Simplify right side
    1,235,059x = 1,141,613,423,311.62
  5. Step 5: Solve for x
    x = 1,141,613,423,311.62/1,235,059
  6. Step 6: Final answer
    x = 924,339.18

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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.