Home / 519,464.22-779,135.85-140,366.94

Finding the Fourth Proportional to 519,464.22, 779,135.85 and 140,366.94

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Solution

The fourth proportional to 519,464.22, 779,135.85 and 140,366.94 is: 210,534.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,464.22 : 779,135.85 = 140,366.94 : x
  2. Step 2: Convert to fraction form
    519,464.22/779,135.85 = 140,366.94/x
  3. Step 3: Cross multiply
    519,464.22x = 779,135.85 × 140,366.94
  4. Step 4: Simplify right side
    519,464.22x = 109,364,915,108.80
  5. Step 5: Solve for x
    x = 109,364,915,108.80/519,464.22
  6. Step 6: Final answer
    x = 210,534.07

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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.