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Finding the Fourth Proportional to 1,317,051, 1,817,530.92 and 713,439

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Solution

The fourth proportional to 1,317,051, 1,817,530.92 and 713,439 is: 984,546.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,051 : 1,817,530.92 = 713,439 : x
  2. Step 2: Convert to fraction form
    1,317,051/1,817,530.92 = 713,439/x
  3. Step 3: Cross multiply
    1,317,051x = 1,817,530.92 × 713,439
  4. Step 4: Simplify right side
    1,317,051x = 1,296,697,442,033.88
  5. Step 5: Solve for x
    x = 1,296,697,442,033.88/1,317,051
  6. Step 6: Final answer
    x = 984,546.11

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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.