Home / 919,096.11-1,377,803.79-386,654.76

Finding the Fourth Proportional to 919,096.11, 1,377,803.79 and 386,654.76

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Solution

The fourth proportional to 919,096.11, 1,377,803.79 and 386,654.76 is: 579,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,096.11 : 1,377,803.79 = 386,654.76 : x
  2. Step 2: Convert to fraction form
    919,096.11/1,377,803.79 = 386,654.76/x
  3. Step 3: Cross multiply
    919,096.11x = 1,377,803.79 × 386,654.76
  4. Step 4: Simplify right side
    919,096.11x = 532,734,393,749.54
  5. Step 5: Solve for x
    x = 532,734,393,749.54/919,096.11
  6. Step 6: Final answer
    x = 579,628.60

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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.