Home / 386,760.30-533,720.93-214,668.24

Finding the Fourth Proportional to 386,760.30, 533,720.93 and 214,668.24

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Solution

The fourth proportional to 386,760.30, 533,720.93 and 214,668.24 is: 296,237.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,760.30 : 533,720.93 = 214,668.24 : x
  2. Step 2: Convert to fraction form
    386,760.30/533,720.93 = 214,668.24/x
  3. Step 3: Cross multiply
    386,760.30x = 533,720.93 × 214,668.24
  4. Step 4: Simplify right side
    386,760.30x = 114,572,931,620.92
  5. Step 5: Solve for x
    x = 114,572,931,620.92/386,760.30
  6. Step 6: Final answer
    x = 296,237.57

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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.