Home / 704,082.88-1,056,168.89-272,006.40

Finding the Fourth Proportional to 704,082.88, 1,056,168.89 and 272,006.40

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Solution

The fourth proportional to 704,082.88, 1,056,168.89 and 272,006.40 is: 408,026.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,082.88 : 1,056,168.89 = 272,006.40 : x
  2. Step 2: Convert to fraction form
    704,082.88/1,056,168.89 = 272,006.40/x
  3. Step 3: Cross multiply
    704,082.88x = 1,056,168.89 × 272,006.40
  4. Step 4: Simplify right side
    704,082.88x = 287,284,697,560.90
  5. Step 5: Solve for x
    x = 287,284,697,560.90/704,082.88
  6. Step 6: Final answer
    x = 408,026.82

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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.