Home / 520,899.07-781,591.74-184,194.76

Finding the Fourth Proportional to 520,899.07, 781,591.74 and 184,194.76

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Solution

The fourth proportional to 520,899.07, 781,591.74 and 184,194.76 is: 276,378.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,899.07 : 781,591.74 = 184,194.76 : x
  2. Step 2: Convert to fraction form
    520,899.07/781,591.74 = 184,194.76/x
  3. Step 3: Cross multiply
    520,899.07x = 781,591.74 × 184,194.76
  4. Step 4: Simplify right side
    520,899.07x = 143,965,102,967.28
  5. Step 5: Solve for x
    x = 143,965,102,967.28/520,899.07
  6. Step 6: Final answer
    x = 276,378.11

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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.