Home / 481,071.48-721,592.34-228,533.76

Finding the Fourth Proportional to 481,071.48, 721,592.34 and 228,533.76

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Solution

The fourth proportional to 481,071.48, 721,592.34 and 228,533.76 is: 342,793.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,071.48 : 721,592.34 = 228,533.76 : x
  2. Step 2: Convert to fraction form
    481,071.48/721,592.34 = 228,533.76/x
  3. Step 3: Cross multiply
    481,071.48x = 721,592.34 × 228,533.76
  4. Step 4: Simplify right side
    481,071.48x = 164,908,210,647.40
  5. Step 5: Solve for x
    x = 164,908,210,647.40/481,071.48
  6. Step 6: Final answer
    x = 342,793.57

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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.