Home / 646,985.66-892,840.23-375,211.17

Finding the Fourth Proportional to 646,985.66, 892,840.23 and 375,211.17

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Solution

The fourth proportional to 646,985.66, 892,840.23 and 375,211.17 is: 517,791.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,985.66 : 892,840.23 = 375,211.17 : x
  2. Step 2: Convert to fraction form
    646,985.66/892,840.23 = 375,211.17/x
  3. Step 3: Cross multiply
    646,985.66x = 892,840.23 × 375,211.17
  4. Step 4: Simplify right side
    646,985.66x = 335,003,627,321.37
  5. Step 5: Solve for x
    x = 335,003,627,321.37/646,985.66
  6. Step 6: Final answer
    x = 517,791.43

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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.