Home / 838,147.12-1,156,667.56-456,198.64

Finding the Fourth Proportional to 838,147.12, 1,156,667.56 and 456,198.64

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Solution

The fourth proportional to 838,147.12, 1,156,667.56 and 456,198.64 is: 629,567.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,147.12 : 1,156,667.56 = 456,198.64 : x
  2. Step 2: Convert to fraction form
    838,147.12/1,156,667.56 = 456,198.64/x
  3. Step 3: Cross multiply
    838,147.12x = 1,156,667.56 × 456,198.64
  4. Step 4: Simplify right side
    838,147.12x = 527,670,167,804.12
  5. Step 5: Solve for x
    x = 527,670,167,804.12/838,147.12
  6. Step 6: Final answer
    x = 629,567.48

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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.