Home / 739,570.72-1,021,175.76-612,977.44

Finding the Fourth Proportional to 739,570.72, 1,021,175.76 and 612,977.44

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Solution

The fourth proportional to 739,570.72, 1,021,175.76 and 612,977.44 is: 846,379.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,570.72 : 1,021,175.76 = 612,977.44 : x
  2. Step 2: Convert to fraction form
    739,570.72/1,021,175.76 = 612,977.44/x
  3. Step 3: Cross multiply
    739,570.72x = 1,021,175.76 × 612,977.44
  4. Step 4: Simplify right side
    739,570.72x = 625,957,703,154.85
  5. Step 5: Solve for x
    x = 625,957,703,154.85/739,570.72
  6. Step 6: Final answer
    x = 846,379.78

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1.5x scale

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.