Home / 923,419.03-1,385,566.89-639,546.43

Finding the Fourth Proportional to 923,419.03, 1,385,566.89 and 639,546.43

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Solution

The fourth proportional to 923,419.03, 1,385,566.89 and 639,546.43 is: 959,623.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,419.03 : 1,385,566.89 = 639,546.43 : x
  2. Step 2: Convert to fraction form
    923,419.03/1,385,566.89 = 639,546.43/x
  3. Step 3: Cross multiply
    923,419.03x = 1,385,566.89 × 639,546.43
  4. Step 4: Simplify right side
    923,419.03x = 886,134,358,025.70
  5. Step 5: Solve for x
    x = 886,134,358,025.70/923,419.03
  6. Step 6: Final answer
    x = 959,623.24

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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.