Home / 1,103,057.90-1,522,136.90-619,528.60

Finding the Fourth Proportional to 1,103,057.90, 1,522,136.90 and 619,528.60

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Solution

The fourth proportional to 1,103,057.90, 1,522,136.90 and 619,528.60 is: 854,902.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,057.90 : 1,522,136.90 = 619,528.60 : x
  2. Step 2: Convert to fraction form
    1,103,057.90/1,522,136.90 = 619,528.60/x
  3. Step 3: Cross multiply
    1,103,057.90x = 1,522,136.90 × 619,528.60
  4. Step 4: Simplify right side
    1,103,057.90x = 943,007,331,957.01
  5. Step 5: Solve for x
    x = 943,007,331,957.01/1,103,057.90
  6. Step 6: Final answer
    x = 854,902.84

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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.