Home / 519,260.16-779,554.56-440,872.44

Finding the Fourth Proportional to 519,260.16, 779,554.56 and 440,872.44

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Solution

The fourth proportional to 519,260.16, 779,554.56 and 440,872.44 is: 661,872.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,260.16 : 779,554.56 = 440,872.44 : x
  2. Step 2: Convert to fraction form
    519,260.16/779,554.56 = 440,872.44/x
  3. Step 3: Cross multiply
    519,260.16x = 779,554.56 × 440,872.44
  4. Step 4: Simplify right side
    519,260.16x = 343,684,120,980.33
  5. Step 5: Solve for x
    x = 343,684,120,980.33/519,260.16
  6. Step 6: Final answer
    x = 661,872.69

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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.