Home / 939,193.17-1,408,177.26-618,374.04

Finding the Fourth Proportional to 939,193.17, 1,408,177.26 and 618,374.04

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Solution

The fourth proportional to 939,193.17, 1,408,177.26 and 618,374.04 is: 927,157.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,193.17 : 1,408,177.26 = 618,374.04 : x
  2. Step 2: Convert to fraction form
    939,193.17/1,408,177.26 = 618,374.04/x
  3. Step 3: Cross multiply
    939,193.17x = 1,408,177.26 × 618,374.04
  4. Step 4: Simplify right side
    939,193.17x = 870,780,261,302.33
  5. Step 5: Solve for x
    x = 870,780,261,302.33/939,193.17
  6. Step 6: Final answer
    x = 927,157.79

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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.