Home / 465,938.20-698,907.30-306,505.90

Finding the Fourth Proportional to 465,938.20, 698,907.30 and 306,505.90

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Solution

The fourth proportional to 465,938.20, 698,907.30 and 306,505.90 is: 459,758.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,938.20 : 698,907.30 = 306,505.90 : x
  2. Step 2: Convert to fraction form
    465,938.20/698,907.30 = 306,505.90/x
  3. Step 3: Cross multiply
    465,938.20x = 698,907.30 × 306,505.90
  4. Step 4: Simplify right side
    465,938.20x = 214,219,211,003.07
  5. Step 5: Solve for x
    x = 214,219,211,003.07/465,938.20
  6. Step 6: Final answer
    x = 459,758.85

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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.