Home / 855,035.12-1,179,930.26-467,848.98

Finding the Fourth Proportional to 855,035.12, 1,179,930.26 and 467,848.98

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Solution

The fourth proportional to 855,035.12, 1,179,930.26 and 467,848.98 is: 645,621.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,035.12 : 1,179,930.26 = 467,848.98 : x
  2. Step 2: Convert to fraction form
    855,035.12/1,179,930.26 = 467,848.98/x
  3. Step 3: Cross multiply
    855,035.12x = 1,179,930.26 × 467,848.98
  4. Step 4: Simplify right side
    855,035.12x = 552,029,166,272.89
  5. Step 5: Solve for x
    x = 552,029,166,272.89/855,035.12
  6. Step 6: Final answer
    x = 645,621.63

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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.