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Finding the Fourth Proportional to 1,723,604.56, 2,378,672.40 and 1,035,486.88

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Solution

The fourth proportional to 1,723,604.56, 2,378,672.40 and 1,035,486.88 is: 1,429,030.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723,604.56 : 2,378,672.40 = 1,035,486.88 : x
  2. Step 2: Convert to fraction form
    1,723,604.56/2,378,672.40 = 1,035,486.88/x
  3. Step 3: Cross multiply
    1,723,604.56x = 2,378,672.40 × 1,035,486.88
  4. Step 4: Simplify right side
    1,723,604.56x = 2,463,084,062,018.11
  5. Step 5: Solve for x
    x = 2,463,084,062,018.11/1,723,604.56
  6. Step 6: Final answer
    x = 1,429,030.83

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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.