Home / 1,167,136.20-1,610,615.88-650,905.56

Finding the Fourth Proportional to 1,167,136.20, 1,610,615.88 and 650,905.56

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Solution

The fourth proportional to 1,167,136.20, 1,610,615.88 and 650,905.56 is: 898,231.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,136.20 : 1,610,615.88 = 650,905.56 : x
  2. Step 2: Convert to fraction form
    1,167,136.20/1,610,615.88 = 650,905.56/x
  3. Step 3: Cross multiply
    1,167,136.20x = 1,610,615.88 × 650,905.56
  4. Step 4: Simplify right side
    1,167,136.20x = 1,048,358,831,316.29
  5. Step 5: Solve for x
    x = 1,048,358,831,316.29/1,167,136.20
  6. Step 6: Final answer
    x = 898,231.78

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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.