Home / 1,091,197.84-1,505,587.46-718,622.29

Finding the Fourth Proportional to 1,091,197.84, 1,505,587.46 and 718,622.29

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Solution

The fourth proportional to 1,091,197.84, 1,505,587.46 and 718,622.29 is: 991,523.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,197.84 : 1,505,587.46 = 718,622.29 : x
  2. Step 2: Convert to fraction form
    1,091,197.84/1,505,587.46 = 718,622.29/x
  3. Step 3: Cross multiply
    1,091,197.84x = 1,505,587.46 × 718,622.29
  4. Step 4: Simplify right side
    1,091,197.84x = 1,081,948,714,381.91
  5. Step 5: Solve for x
    x = 1,081,948,714,381.91/1,091,197.84
  6. Step 6: Final answer
    x = 991,523.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.