Home / 1,238,517.60-1,709,172-927,869.76

Finding the Fourth Proportional to 1,238,517.60, 1,709,172 and 927,869.76

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Solution

The fourth proportional to 1,238,517.60, 1,709,172 and 927,869.76 is: 1,280,473.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,517.60 : 1,709,172 = 927,869.76 : x
  2. Step 2: Convert to fraction form
    1,238,517.60/1,709,172 = 927,869.76/x
  3. Step 3: Cross multiply
    1,238,517.60x = 1,709,172 × 927,869.76
  4. Step 4: Simplify right side
    1,238,517.60x = 1,585,889,013,438.72
  5. Step 5: Solve for x
    x = 1,585,889,013,438.72/1,238,517.60
  6. Step 6: Final answer
    x = 1,280,473.54

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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.