Home / 1,314,153.40-1,970,136.60-556,576.60

Finding the Fourth Proportional to 1,314,153.40, 1,970,136.60 and 556,576.60

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Solution

The fourth proportional to 1,314,153.40, 1,970,136.60 and 556,576.60 is: 834,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,153.40 : 1,970,136.60 = 556,576.60 : x
  2. Step 2: Convert to fraction form
    1,314,153.40/1,970,136.60 = 556,576.60/x
  3. Step 3: Cross multiply
    1,314,153.40x = 1,970,136.60 × 556,576.60
  4. Step 4: Simplify right side
    1,314,153.40x = 1,096,531,930,363.56
  5. Step 5: Solve for x
    x = 1,096,531,930,363.56/1,314,153.40
  6. Step 6: Final answer
    x = 834,401.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.