Home / 826,198.46-1,238,445.12-346,704.77

Finding the Fourth Proportional to 826,198.46, 1,238,445.12 and 346,704.77

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Solution

The fourth proportional to 826,198.46, 1,238,445.12 and 346,704.77 is: 519,699.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,198.46 : 1,238,445.12 = 346,704.77 : x
  2. Step 2: Convert to fraction form
    826,198.46/1,238,445.12 = 346,704.77/x
  3. Step 3: Cross multiply
    826,198.46x = 1,238,445.12 × 346,704.77
  4. Step 4: Simplify right side
    826,198.46x = 429,374,830,487.22
  5. Step 5: Solve for x
    x = 429,374,830,487.22/826,198.46
  6. Step 6: Final answer
    x = 519,699.38

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1.5x scale

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.