Home / 730,532.36-1,008,136.02-408,242.46

Finding the Fourth Proportional to 730,532.36, 1,008,136.02 and 408,242.46

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Solution

The fourth proportional to 730,532.36, 1,008,136.02 and 408,242.46 is: 563,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,532.36 : 1,008,136.02 = 408,242.46 : x
  2. Step 2: Convert to fraction form
    730,532.36/1,008,136.02 = 408,242.46/x
  3. Step 3: Cross multiply
    730,532.36x = 1,008,136.02 × 408,242.46
  4. Step 4: Simplify right side
    730,532.36x = 411,563,928,819.41
  5. Step 5: Solve for x
    x = 411,563,928,819.41/730,532.36
  6. Step 6: Final answer
    x = 563,375.36

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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.