Home / 1,539,092.72-2,123,935.08-860,029.76

Finding the Fourth Proportional to 1,539,092.72, 2,123,935.08 and 860,029.76

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Solution

The fourth proportional to 1,539,092.72, 2,123,935.08 and 860,029.76 is: 1,186,833.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,092.72 : 2,123,935.08 = 860,029.76 : x
  2. Step 2: Convert to fraction form
    1,539,092.72/2,123,935.08 = 860,029.76/x
  3. Step 3: Cross multiply
    1,539,092.72x = 2,123,935.08 × 860,029.76
  4. Step 4: Simplify right side
    1,539,092.72x = 1,826,647,377,107.98
  5. Step 5: Solve for x
    x = 1,826,647,377,107.98/1,539,092.72
  6. Step 6: Final answer
    x = 1,186,833.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.