Home / 521,285.15-781,992.12-184,256.30

Finding the Fourth Proportional to 521,285.15, 781,992.12 and 184,256.30

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Solution

The fourth proportional to 521,285.15, 781,992.12 and 184,256.30 is: 276,407.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,285.15 : 781,992.12 = 184,256.30 : x
  2. Step 2: Convert to fraction form
    521,285.15/781,992.12 = 184,256.30/x
  3. Step 3: Cross multiply
    521,285.15x = 781,992.12 × 184,256.30
  4. Step 4: Simplify right side
    521,285.15x = 144,086,977,306.30
  5. Step 5: Solve for x
    x = 144,086,977,306.30/521,285.15
  6. Step 6: Final answer
    x = 276,407.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.