Home / 386,599.48-533,332.43-250,667.86

Finding the Fourth Proportional to 386,599.48, 533,332.43 and 250,667.86

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Solution

The fourth proportional to 386,599.48, 533,332.43 and 250,667.86 is: 345,808.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,599.48 : 533,332.43 = 250,667.86 : x
  2. Step 2: Convert to fraction form
    386,599.48/533,332.43 = 250,667.86/x
  3. Step 3: Cross multiply
    386,599.48x = 533,332.43 × 250,667.86
  4. Step 4: Simplify right side
    386,599.48x = 133,689,296,310.03
  5. Step 5: Solve for x
    x = 133,689,296,310.03/386,599.48
  6. Step 6: Final answer
    x = 345,808.27

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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.