Home / 689,988.27-952,194.59-384,067.98

Finding the Fourth Proportional to 689,988.27, 952,194.59 and 384,067.98

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Solution

The fourth proportional to 689,988.27, 952,194.59 and 384,067.98 is: 530,019.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,988.27 : 952,194.59 = 384,067.98 : x
  2. Step 2: Convert to fraction form
    689,988.27/952,194.59 = 384,067.98/x
  3. Step 3: Cross multiply
    689,988.27x = 952,194.59 × 384,067.98
  4. Step 4: Simplify right side
    689,988.27x = 365,707,452,268.14
  5. Step 5: Solve for x
    x = 365,707,452,268.14/689,988.27
  6. Step 6: Final answer
    x = 530,019.81

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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.