Home / 328,629.87-453,530.39-185,386.85

Finding the Fourth Proportional to 328,629.87, 453,530.39 and 185,386.85

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Solution

The fourth proportional to 328,629.87, 453,530.39 and 185,386.85 is: 255,845.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,629.87 : 453,530.39 = 185,386.85 : x
  2. Step 2: Convert to fraction form
    328,629.87/453,530.39 = 185,386.85/x
  3. Step 3: Cross multiply
    328,629.87x = 453,530.39 × 185,386.85
  4. Step 4: Simplify right side
    328,629.87x = 84,078,567,186.79
  5. Step 5: Solve for x
    x = 84,078,567,186.79/328,629.87
  6. Step 6: Final answer
    x = 255,845.79

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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.