Home / 611,093-916,664.34-291,080.36

Finding the Fourth Proportional to 611,093, 916,664.34 and 291,080.36

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Solution

The fourth proportional to 611,093, 916,664.34 and 291,080.36 is: 436,632.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,093 : 916,664.34 = 291,080.36 : x
  2. Step 2: Convert to fraction form
    611,093/916,664.34 = 291,080.36/x
  3. Step 3: Cross multiply
    611,093x = 916,664.34 × 291,080.36
  4. Step 4: Simplify right side
    611,093x = 266,822,986,086.36
  5. Step 5: Solve for x
    x = 266,822,986,086.36/611,093
  6. Step 6: Final answer
    x = 436,632.37

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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.