Home / 669,481.98-923,426.61-427,657.17

Finding the Fourth Proportional to 669,481.98, 923,426.61 and 427,657.17

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Solution

The fourth proportional to 669,481.98, 923,426.61 and 427,657.17 is: 589,874.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,481.98 : 923,426.61 = 427,657.17 : x
  2. Step 2: Convert to fraction form
    669,481.98/923,426.61 = 427,657.17/x
  3. Step 3: Cross multiply
    669,481.98x = 923,426.61 × 427,657.17
  4. Step 4: Simplify right side
    669,481.98x = 394,910,010,735.29
  5. Step 5: Solve for x
    x = 394,910,010,735.29/669,481.98
  6. Step 6: Final answer
    x = 589,874.00

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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.