Home / 1,136,911.40-1,705,367.16-338,204.36

Finding the Fourth Proportional to 1,136,911.40, 1,705,367.16 and 338,204.36

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Solution

The fourth proportional to 1,136,911.40, 1,705,367.16 and 338,204.36 is: 507,306.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,911.40 : 1,705,367.16 = 338,204.36 : x
  2. Step 2: Convert to fraction form
    1,136,911.40/1,705,367.16 = 338,204.36/x
  3. Step 3: Cross multiply
    1,136,911.40x = 1,705,367.16 × 338,204.36
  4. Step 4: Simplify right side
    1,136,911.40x = 576,762,608,912.82
  5. Step 5: Solve for x
    x = 576,762,608,912.82/1,136,911.40
  6. Step 6: Final answer
    x = 507,306.56

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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.