Home / 615,100.20-922,212.84-235,699.44

Finding the Fourth Proportional to 615,100.20, 922,212.84 and 235,699.44

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Solution

The fourth proportional to 615,100.20, 922,212.84 and 235,699.44 is: 353,381.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,100.20 : 922,212.84 = 235,699.44 : x
  2. Step 2: Convert to fraction form
    615,100.20/922,212.84 = 235,699.44/x
  3. Step 3: Cross multiply
    615,100.20x = 922,212.84 × 235,699.44
  4. Step 4: Simplify right side
    615,100.20x = 217,365,049,948.81
  5. Step 5: Solve for x
    x = 217,365,049,948.81/615,100.20
  6. Step 6: Final answer
    x = 353,381.53

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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.