Home / 850,364.31-1,173,504.38-463,178.53

Finding the Fourth Proportional to 850,364.31, 1,173,504.38 and 463,178.53

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Solution

The fourth proportional to 850,364.31, 1,173,504.38 and 463,178.53 is: 639,187.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,364.31 : 1,173,504.38 = 463,178.53 : x
  2. Step 2: Convert to fraction form
    850,364.31/1,173,504.38 = 463,178.53/x
  3. Step 3: Cross multiply
    850,364.31x = 1,173,504.38 × 463,178.53
  4. Step 4: Simplify right side
    850,364.31x = 543,542,034,767.24
  5. Step 5: Solve for x
    x = 543,542,034,767.24/850,364.31
  6. Step 6: Final answer
    x = 639,187.26

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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.