Home / 427,317.57-589,674.27-233,686.80

Finding the Fourth Proportional to 427,317.57, 589,674.27 and 233,686.80

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Solution

The fourth proportional to 427,317.57, 589,674.27 and 233,686.80 is: 322,474.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,317.57 : 589,674.27 = 233,686.80 : x
  2. Step 2: Convert to fraction form
    427,317.57/589,674.27 = 233,686.80/x
  3. Step 3: Cross multiply
    427,317.57x = 589,674.27 × 233,686.80
  4. Step 4: Simplify right side
    427,317.57x = 137,799,093,198.64
  5. Step 5: Solve for x
    x = 137,799,093,198.64/427,317.57
  6. Step 6: Final answer
    x = 322,474.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.