Home / 1,283,997.68-1,771,915.20-711,037.16

Finding the Fourth Proportional to 1,283,997.68, 1,771,915.20 and 711,037.16

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Solution

The fourth proportional to 1,283,997.68, 1,771,915.20 and 711,037.16 is: 981,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,997.68 : 1,771,915.20 = 711,037.16 : x
  2. Step 2: Convert to fraction form
    1,283,997.68/1,771,915.20 = 711,037.16/x
  3. Step 3: Cross multiply
    1,283,997.68x = 1,771,915.20 × 711,037.16
  4. Step 4: Simplify right side
    1,283,997.68x = 1,259,897,551,568.83
  5. Step 5: Solve for x
    x = 1,259,897,551,568.83/1,283,997.68
  6. Step 6: Final answer
    x = 981,230.40

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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.