Home / 626,022.35-863,910.89-354,084.38

Finding the Fourth Proportional to 626,022.35, 863,910.89 and 354,084.38

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Solution

The fourth proportional to 626,022.35, 863,910.89 and 354,084.38 is: 488,636.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,022.35 : 863,910.89 = 354,084.38 : x
  2. Step 2: Convert to fraction form
    626,022.35/863,910.89 = 354,084.38/x
  3. Step 3: Cross multiply
    626,022.35x = 863,910.89 × 354,084.38
  4. Step 4: Simplify right side
    626,022.35x = 305,897,354,905.89
  5. Step 5: Solve for x
    x = 305,897,354,905.89/626,022.35
  6. Step 6: Final answer
    x = 488,636.48

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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.