Home / 1,283,997.43-1,771,914.86-711,036.91

Finding the Fourth Proportional to 1,283,997.43, 1,771,914.86 and 711,036.91

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Solution

The fourth proportional to 1,283,997.43, 1,771,914.86 and 711,036.91 is: 981,230.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,997.43 : 1,771,914.86 = 711,036.91 : x
  2. Step 2: Convert to fraction form
    1,283,997.43/1,771,914.86 = 711,036.91/x
  3. Step 3: Cross multiply
    1,283,997.43x = 1,771,914.86 × 711,036.91
  4. Step 4: Simplify right side
    1,283,997.43x = 1,259,896,863,282.30
  5. Step 5: Solve for x
    x = 1,259,896,863,282.30/1,283,997.43
  6. Step 6: Final answer
    x = 981,230.05

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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.