Home / 382,941.14-528,458.58-213,215.36

Finding the Fourth Proportional to 382,941.14, 528,458.58 and 213,215.36

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Solution

The fourth proportional to 382,941.14, 528,458.58 and 213,215.36 is: 294,237.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,941.14 : 528,458.58 = 213,215.36 : x
  2. Step 2: Convert to fraction form
    382,941.14/528,458.58 = 213,215.36/x
  3. Step 3: Cross multiply
    382,941.14x = 528,458.58 × 213,215.36
  4. Step 4: Simplify right side
    382,941.14x = 112,675,486,379.79
  5. Step 5: Solve for x
    x = 112,675,486,379.79/382,941.14
  6. Step 6: Final answer
    x = 294,237.09

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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.