Home / 1,241,635.44-1,711,822.68-811,167.60

Finding the Fourth Proportional to 1,241,635.44, 1,711,822.68 and 811,167.60

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Solution

The fourth proportional to 1,241,635.44, 1,711,822.68 and 811,167.60 is: 1,118,343.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,635.44 : 1,711,822.68 = 811,167.60 : x
  2. Step 2: Convert to fraction form
    1,241,635.44/1,711,822.68 = 811,167.60/x
  3. Step 3: Cross multiply
    1,241,635.44x = 1,711,822.68 × 811,167.60
  4. Step 4: Simplify right side
    1,241,635.44x = 1,388,575,094,961.17
  5. Step 5: Solve for x
    x = 1,388,575,094,961.17/1,241,635.44
  6. Step 6: Final answer
    x = 1,118,343.64

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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.