Home / 617,629.80-927,999.90-393,097.80

Finding the Fourth Proportional to 617,629.80, 927,999.90 and 393,097.80

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Solution

The fourth proportional to 617,629.80, 927,999.90 and 393,097.80 is: 590,636.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,629.80 : 927,999.90 = 393,097.80 : x
  2. Step 2: Convert to fraction form
    617,629.80/927,999.90 = 393,097.80/x
  3. Step 3: Cross multiply
    617,629.80x = 927,999.90 × 393,097.80
  4. Step 4: Simplify right side
    617,629.80x = 364,794,719,090.22
  5. Step 5: Solve for x
    x = 364,794,719,090.22/617,629.80
  6. Step 6: Final answer
    x = 590,636.53

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1.5x scale

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.