Home / 1,223,687.70-1,831,601.05-653,643.41

Finding the Fourth Proportional to 1,223,687.70, 1,831,601.05 and 653,643.41

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Solution

The fourth proportional to 1,223,687.70, 1,831,601.05 and 653,643.41 is: 978,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,687.70 : 1,831,601.05 = 653,643.41 : x
  2. Step 2: Convert to fraction form
    1,223,687.70/1,831,601.05 = 653,643.41/x
  3. Step 3: Cross multiply
    1,223,687.70x = 1,831,601.05 × 653,643.41
  4. Step 4: Simplify right side
    1,223,687.70x = 1,197,213,945,289.47
  5. Step 5: Solve for x
    x = 1,197,213,945,289.47/1,223,687.70
  6. Step 6: Final answer
    x = 978,365.60

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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.