Home / 923,114.63-1,385,290.47-324,077.57

Finding the Fourth Proportional to 923,114.63, 1,385,290.47 and 324,077.57

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Solution

The fourth proportional to 923,114.63, 1,385,290.47 and 324,077.57 is: 486,333.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,114.63 : 1,385,290.47 = 324,077.57 : x
  2. Step 2: Convert to fraction form
    923,114.63/1,385,290.47 = 324,077.57/x
  3. Step 3: Cross multiply
    923,114.63x = 1,385,290.47 × 324,077.57
  4. Step 4: Simplify right side
    923,114.63x = 448,941,568,745.44
  5. Step 5: Solve for x
    x = 448,941,568,745.44/923,114.63
  6. Step 6: Final answer
    x = 486,333.50

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Double scale
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Similar ratio
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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.