Home / 466,742.20-698,363.70-309,278.20

Finding the Fourth Proportional to 466,742.20, 698,363.70 and 309,278.20

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Solution

The fourth proportional to 466,742.20, 698,363.70 and 309,278.20 is: 462,757.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,742.20 : 698,363.70 = 309,278.20 : x
  2. Step 2: Convert to fraction form
    466,742.20/698,363.70 = 309,278.20/x
  3. Step 3: Cross multiply
    466,742.20x = 698,363.70 × 309,278.20
  4. Step 4: Simplify right side
    466,742.20x = 215,988,668,081.34
  5. Step 5: Solve for x
    x = 215,988,668,081.34/466,742.20
  6. Step 6: Final answer
    x = 462,757.96

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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.