Home / 386,588.85-533,519.25-216,833.91

Finding the Fourth Proportional to 386,588.85, 533,519.25 and 216,833.91

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Solution

The fourth proportional to 386,588.85, 533,519.25 and 216,833.91 is: 299,245.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,588.85 : 533,519.25 = 216,833.91 : x
  2. Step 2: Convert to fraction form
    386,588.85/533,519.25 = 216,833.91/x
  3. Step 3: Cross multiply
    386,588.85x = 533,519.25 × 216,833.91
  4. Step 4: Simplify right side
    386,588.85x = 115,685,065,037.77
  5. Step 5: Solve for x
    x = 115,685,065,037.77/386,588.85
  6. Step 6: Final answer
    x = 299,245.74

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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.