Home / 519,623.40-779,694.30-295,156.20

Finding the Fourth Proportional to 519,623.40, 779,694.30 and 295,156.20

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Solution

The fourth proportional to 519,623.40, 779,694.30 and 295,156.20 is: 442,881.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,623.40 : 779,694.30 = 295,156.20 : x
  2. Step 2: Convert to fraction form
    519,623.40/779,694.30 = 295,156.20/x
  3. Step 3: Cross multiply
    519,623.40x = 779,694.30 × 295,156.20
  4. Step 4: Simplify right side
    519,623.40x = 230,131,606,749.66
  5. Step 5: Solve for x
    x = 230,131,606,749.66/519,623.40
  6. Step 6: Final answer
    x = 442,881.53

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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.