Home / 1,116,921-1,541,234.34-633,331.56

Finding the Fourth Proportional to 1,116,921, 1,541,234.34 and 633,331.56

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Solution

The fourth proportional to 1,116,921, 1,541,234.34 and 633,331.56 is: 873,931.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,921 : 1,541,234.34 = 633,331.56 : x
  2. Step 2: Convert to fraction form
    1,116,921/1,541,234.34 = 633,331.56/x
  3. Step 3: Cross multiply
    1,116,921x = 1,541,234.34 × 633,331.56
  4. Step 4: Simplify right side
    1,116,921x = 976,112,348,877.77
  5. Step 5: Solve for x
    x = 976,112,348,877.77/1,116,921
  6. Step 6: Final answer
    x = 873,931.41

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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.