Home / 923,784.48-1,384,626.24-390,972.96

Finding the Fourth Proportional to 923,784.48, 1,384,626.24 and 390,972.96

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Solution

The fourth proportional to 923,784.48, 1,384,626.24 and 390,972.96 is: 586,014.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,784.48 : 1,384,626.24 = 390,972.96 : x
  2. Step 2: Convert to fraction form
    923,784.48/1,384,626.24 = 390,972.96/x
  3. Step 3: Cross multiply
    923,784.48x = 1,384,626.24 × 390,972.96
  4. Step 4: Simplify right side
    923,784.48x = 541,351,419,546.47
  5. Step 5: Solve for x
    x = 541,351,419,546.47/923,784.48
  6. Step 6: Final answer
    x = 586,014.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.