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Finding the Fourth Proportional to 1,329,962.22, 1,835,359.56 and 757,039.26

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Solution

The fourth proportional to 1,329,962.22, 1,835,359.56 and 757,039.26 is: 1,044,720.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,962.22 : 1,835,359.56 = 757,039.26 : x
  2. Step 2: Convert to fraction form
    1,329,962.22/1,835,359.56 = 757,039.26/x
  3. Step 3: Cross multiply
    1,329,962.22x = 1,835,359.56 × 757,039.26
  4. Step 4: Simplify right side
    1,329,962.22x = 1,389,439,243,136.33
  5. Step 5: Solve for x
    x = 1,389,439,243,136.33/1,329,962.22
  6. Step 6: Final answer
    x = 1,044,720.84

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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.