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Finding the Fourth Proportional to 1,277,339.52, 1,762,704 and 704,432.64

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Solution

The fourth proportional to 1,277,339.52, 1,762,704 and 704,432.64 is: 972,103.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,339.52 : 1,762,704 = 704,432.64 : x
  2. Step 2: Convert to fraction form
    1,277,339.52/1,762,704 = 704,432.64/x
  3. Step 3: Cross multiply
    1,277,339.52x = 1,762,704 × 704,432.64
  4. Step 4: Simplify right side
    1,277,339.52x = 1,241,706,232,258.56
  5. Step 5: Solve for x
    x = 1,241,706,232,258.56/1,277,339.52
  6. Step 6: Final answer
    x = 972,103.51

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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.