Home / 722,331.91-1,083,800.27-317,315.22

Finding the Fourth Proportional to 722,331.91, 1,083,800.27 and 317,315.22

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Solution

The fourth proportional to 722,331.91, 1,083,800.27 and 317,315.22 is: 476,105.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,331.91 : 1,083,800.27 = 317,315.22 : x
  2. Step 2: Convert to fraction form
    722,331.91/1,083,800.27 = 317,315.22/x
  3. Step 3: Cross multiply
    722,331.91x = 1,083,800.27 × 317,315.22
  4. Step 4: Simplify right side
    722,331.91x = 343,906,321,111.11
  5. Step 5: Solve for x
    x = 343,906,321,111.11/722,331.91
  6. Step 6: Final answer
    x = 476,105.67

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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.