Home / 669,317.37-923,390.87-427,537.23

Finding the Fourth Proportional to 669,317.37, 923,390.87 and 427,537.23

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Solution

The fourth proportional to 669,317.37, 923,390.87 and 427,537.23 is: 589,830.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,317.37 : 923,390.87 = 427,537.23 : x
  2. Step 2: Convert to fraction form
    669,317.37/923,390.87 = 427,537.23/x
  3. Step 3: Cross multiply
    669,317.37x = 923,390.87 × 427,537.23
  4. Step 4: Simplify right side
    669,317.37x = 394,783,972,629.40
  5. Step 5: Solve for x
    x = 394,783,972,629.40/669,317.37
  6. Step 6: Final answer
    x = 589,830.76

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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.