Home / 669,039.85-923,050.27-427,463.83

Finding the Fourth Proportional to 669,039.85, 923,050.27 and 427,463.83

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Solution

The fourth proportional to 669,039.85, 923,050.27 and 427,463.83 is: 589,756.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,039.85 : 923,050.27 = 427,463.83 : x
  2. Step 2: Convert to fraction form
    669,039.85/923,050.27 = 427,463.83/x
  3. Step 3: Cross multiply
    669,039.85x = 923,050.27 × 427,463.83
  4. Step 4: Simplify right side
    669,039.85x = 394,570,603,696.73
  5. Step 5: Solve for x
    x = 394,570,603,696.73/669,039.85
  6. Step 6: Final answer
    x = 589,756.51

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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.