Home / 514,419.72-771,704.75-247,961.10

Finding the Fourth Proportional to 514,419.72, 771,704.75 and 247,961.10

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Solution

The fourth proportional to 514,419.72, 771,704.75 and 247,961.10 is: 371,977.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,419.72 : 771,704.75 = 247,961.10 : x
  2. Step 2: Convert to fraction form
    514,419.72/771,704.75 = 247,961.10/x
  3. Step 3: Cross multiply
    514,419.72x = 771,704.75 × 247,961.10
  4. Step 4: Simplify right side
    514,419.72x = 191,352,758,685.23
  5. Step 5: Solve for x
    x = 191,352,758,685.23/514,419.72
  6. Step 6: Final answer
    x = 371,977.88

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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.