Home / 1,093,493.60-1,640,240.40-919,311.20

Finding the Fourth Proportional to 1,093,493.60, 1,640,240.40 and 919,311.20

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Solution

The fourth proportional to 1,093,493.60, 1,640,240.40 and 919,311.20 is: 1,378,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,493.60 : 1,640,240.40 = 919,311.20 : x
  2. Step 2: Convert to fraction form
    1,093,493.60/1,640,240.40 = 919,311.20/x
  3. Step 3: Cross multiply
    1,093,493.60x = 1,640,240.40 × 919,311.20
  4. Step 4: Simplify right side
    1,093,493.60x = 1,507,891,370,412.48
  5. Step 5: Solve for x
    x = 1,507,891,370,412.48/1,093,493.60
  6. Step 6: Final answer
    x = 1,378,966.80

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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.