Home / 386,525.82-533,406.26-214,438.39

Finding the Fourth Proportional to 386,525.82, 533,406.26 and 214,438.39

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Solution

The fourth proportional to 386,525.82, 533,406.26 and 214,438.39 is: 295,925.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,525.82 : 533,406.26 = 214,438.39 : x
  2. Step 2: Convert to fraction form
    386,525.82/533,406.26 = 214,438.39/x
  3. Step 3: Cross multiply
    386,525.82x = 533,406.26 × 214,438.39
  4. Step 4: Simplify right side
    386,525.82x = 114,382,778,812.90
  5. Step 5: Solve for x
    x = 114,382,778,812.90/386,525.82
  6. Step 6: Final answer
    x = 295,925.32

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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.