Home / 1,093,478.60-1,640,217.90-919,296.20

Finding the Fourth Proportional to 1,093,478.60, 1,640,217.90 and 919,296.20

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Solution

The fourth proportional to 1,093,478.60, 1,640,217.90 and 919,296.20 is: 1,378,944.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,478.60 : 1,640,217.90 = 919,296.20 : x
  2. Step 2: Convert to fraction form
    1,093,478.60/1,640,217.90 = 919,296.20/x
  3. Step 3: Cross multiply
    1,093,478.60x = 1,640,217.90 × 919,296.20
  4. Step 4: Simplify right side
    1,093,478.60x = 1,507,846,082,641.98
  5. Step 5: Solve for x
    x = 1,507,846,082,641.98/1,093,478.60
  6. Step 6: Final answer
    x = 1,378,944.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.