Home / 991,693.53-1,368,532.26-538,984.53

Finding the Fourth Proportional to 991,693.53, 1,368,532.26 and 538,984.53

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Solution

The fourth proportional to 991,693.53, 1,368,532.26 and 538,984.53 is: 743,796.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,693.53 : 1,368,532.26 = 538,984.53 : x
  2. Step 2: Convert to fraction form
    991,693.53/1,368,532.26 = 538,984.53/x
  3. Step 3: Cross multiply
    991,693.53x = 1,368,532.26 × 538,984.53
  4. Step 4: Simplify right side
    991,693.53x = 737,617,716,945.94
  5. Step 5: Solve for x
    x = 737,617,716,945.94/991,693.53
  6. Step 6: Final answer
    x = 743,796.04

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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.