Home / 1,781,943.32-2,673,181.70-644,971.55

Finding the Fourth Proportional to 1,781,943.32, 2,673,181.70 and 644,971.55

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Solution

The fourth proportional to 1,781,943.32, 2,673,181.70 and 644,971.55 is: 967,553.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,943.32 : 2,673,181.70 = 644,971.55 : x
  2. Step 2: Convert to fraction form
    1,781,943.32/2,673,181.70 = 644,971.55/x
  3. Step 3: Cross multiply
    1,781,943.32x = 2,673,181.70 × 644,971.55
  4. Step 4: Simplify right side
    1,781,943.32x = 1,724,126,141,255.78
  5. Step 5: Solve for x
    x = 1,724,126,141,255.78/1,781,943.32
  6. Step 6: Final answer
    x = 967,553.86

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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.