Home / 939,189.18-1,408,171.26-618,370.04

Finding the Fourth Proportional to 939,189.18, 1,408,171.26 and 618,370.04

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Solution

The fourth proportional to 939,189.18, 1,408,171.26 and 618,370.04 is: 927,151.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,189.18 : 1,408,171.26 = 618,370.04 : x
  2. Step 2: Convert to fraction form
    939,189.18/1,408,171.26 = 618,370.04/x
  3. Step 3: Cross multiply
    939,189.18x = 1,408,171.26 × 618,370.04
  4. Step 4: Simplify right side
    939,189.18x = 870,770,918,373.05
  5. Step 5: Solve for x
    x = 870,770,918,373.05/939,189.18
  6. Step 6: Final answer
    x = 927,151.78

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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.