Home / 873,857.93-1,310,784.30-393,523.38

Finding the Fourth Proportional to 873,857.93, 1,310,784.30 and 393,523.38

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Solution

The fourth proportional to 873,857.93, 1,310,784.30 and 393,523.38 is: 590,283.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,857.93 : 1,310,784.30 = 393,523.38 : x
  2. Step 2: Convert to fraction form
    873,857.93/1,310,784.30 = 393,523.38/x
  3. Step 3: Cross multiply
    873,857.93x = 1,310,784.30 × 393,523.38
  4. Step 4: Simplify right side
    873,857.93x = 515,824,268,186.93
  5. Step 5: Solve for x
    x = 515,824,268,186.93/873,857.93
  6. Step 6: Final answer
    x = 590,283.90

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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.