Home / 669,216.35-923,176.45-427,244.62

Finding the Fourth Proportional to 669,216.35, 923,176.45 and 427,244.62

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Solution

The fourth proportional to 669,216.35, 923,176.45 and 427,244.62 is: 589,379.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,216.35 : 923,176.45 = 427,244.62 : x
  2. Step 2: Convert to fraction form
    669,216.35/923,176.45 = 427,244.62/x
  3. Step 3: Cross multiply
    669,216.35x = 923,176.45 × 427,244.62
  4. Step 4: Simplify right side
    669,216.35x = 394,422,169,436.98
  5. Step 5: Solve for x
    x = 394,422,169,436.98/669,216.35
  6. Step 6: Final answer
    x = 589,379.16

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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.