Home / 939,191.67-1,408,175.01-618,372.54

Finding the Fourth Proportional to 939,191.67, 1,408,175.01 and 618,372.54

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Solution

The fourth proportional to 939,191.67, 1,408,175.01 and 618,372.54 is: 927,155.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,191.67 : 1,408,175.01 = 618,372.54 : x
  2. Step 2: Convert to fraction form
    939,191.67/1,408,175.01 = 618,372.54/x
  3. Step 3: Cross multiply
    939,191.67x = 1,408,175.01 × 618,372.54
  4. Step 4: Simplify right side
    939,191.67x = 870,776,757,698.23
  5. Step 5: Solve for x
    x = 870,776,757,698.23/939,191.67
  6. Step 6: Final answer
    x = 927,155.54

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1.5x scale

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.