Home / 519,058.57-778,112.18-181,915.44

Finding the Fourth Proportional to 519,058.57, 778,112.18 and 181,915.44

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Solution

The fourth proportional to 519,058.57, 778,112.18 and 181,915.44 is: 272,706.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,058.57 : 778,112.18 = 181,915.44 : x
  2. Step 2: Convert to fraction form
    519,058.57/778,112.18 = 181,915.44/x
  3. Step 3: Cross multiply
    519,058.57x = 778,112.18 × 181,915.44
  4. Step 4: Simplify right side
    519,058.57x = 141,550,619,139.27
  5. Step 5: Solve for x
    x = 141,550,619,139.27/519,058.57
  6. Step 6: Final answer
    x = 272,706.45

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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.