Home / 845,067.42-1,267,659.65-339,628.84

Finding the Fourth Proportional to 845,067.42, 1,267,659.65 and 339,628.84

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Solution

The fourth proportional to 845,067.42, 1,267,659.65 and 339,628.84 is: 509,466.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,067.42 : 1,267,659.65 = 339,628.84 : x
  2. Step 2: Convert to fraction form
    845,067.42/1,267,659.65 = 339,628.84/x
  3. Step 3: Cross multiply
    845,067.42x = 1,267,659.65 × 339,628.84
  4. Step 4: Simplify right side
    845,067.42x = 430,533,774,124.23
  5. Step 5: Solve for x
    x = 430,533,774,124.23/845,067.42
  6. Step 6: Final answer
    x = 509,466.78

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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.