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Finding the Fourth Proportional to 1,296,533.94, 1,789,397.16 and 723,611.04

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Solution

The fourth proportional to 1,296,533.94, 1,789,397.16 and 723,611.04 is: 998,683.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,533.94 : 1,789,397.16 = 723,611.04 : x
  2. Step 2: Convert to fraction form
    1,296,533.94/1,789,397.16 = 723,611.04/x
  3. Step 3: Cross multiply
    1,296,533.94x = 1,789,397.16 × 723,611.04
  4. Step 4: Simplify right side
    1,296,533.94x = 1,294,827,539,920.65
  5. Step 5: Solve for x
    x = 1,294,827,539,920.65/1,296,533.94
  6. Step 6: Final answer
    x = 998,683.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.