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Finding the Fourth Proportional to 1,294,904.64, 1,787,099.04 and 751,206.72

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Solution

The fourth proportional to 1,294,904.64, 1,787,099.04 and 751,206.72 is: 1,036,741.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,904.64 : 1,787,099.04 = 751,206.72 : x
  2. Step 2: Convert to fraction form
    1,294,904.64/1,787,099.04 = 751,206.72/x
  3. Step 3: Cross multiply
    1,294,904.64x = 1,787,099.04 × 751,206.72
  4. Step 4: Simplify right side
    1,294,904.64x = 1,342,480,808,153.55
  5. Step 5: Solve for x
    x = 1,342,480,808,153.55/1,294,904.64
  6. Step 6: Final answer
    x = 1,036,741.06

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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.