Home / 1,093,890.20-1,509,529.11-686,211.53

Finding the Fourth Proportional to 1,093,890.20, 1,509,529.11 and 686,211.53

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Solution

The fourth proportional to 1,093,890.20, 1,509,529.11 and 686,211.53 is: 946,947.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,890.20 : 1,509,529.11 = 686,211.53 : x
  2. Step 2: Convert to fraction form
    1,093,890.20/1,509,529.11 = 686,211.53/x
  3. Step 3: Cross multiply
    1,093,890.20x = 1,509,529.11 × 686,211.53
  4. Step 4: Simplify right side
    1,093,890.20x = 1,035,856,280,152.64
  5. Step 5: Solve for x
    x = 1,035,856,280,152.64/1,093,890.20
  6. Step 6: Final answer
    x = 946,947.22

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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.