Home / 724,665.78-1,082,118.75-591,809.58

Finding the Fourth Proportional to 724,665.78, 1,082,118.75 and 591,809.58

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Solution

The fourth proportional to 724,665.78, 1,082,118.75 and 591,809.58 is: 883,729.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,665.78 : 1,082,118.75 = 591,809.58 : x
  2. Step 2: Convert to fraction form
    724,665.78/1,082,118.75 = 591,809.58/x
  3. Step 3: Cross multiply
    724,665.78x = 1,082,118.75 × 591,809.58
  4. Step 4: Simplify right side
    724,665.78x = 640,408,242,947.63
  5. Step 5: Solve for x
    x = 640,408,242,947.63/724,665.78
  6. Step 6: Final answer
    x = 883,729.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.