Home / 519,058.19-778,111.62-181,915.07

Finding the Fourth Proportional to 519,058.19, 778,111.62 and 181,915.07

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Solution

The fourth proportional to 519,058.19, 778,111.62 and 181,915.07 is: 272,705.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,058.19 : 778,111.62 = 181,915.07 : x
  2. Step 2: Convert to fraction form
    519,058.19/778,111.62 = 181,915.07/x
  3. Step 3: Cross multiply
    519,058.19x = 778,111.62 × 181,915.07
  4. Step 4: Simplify right side
    519,058.19x = 141,550,225,247.37
  5. Step 5: Solve for x
    x = 141,550,225,247.37/519,058.19
  6. Step 6: Final answer
    x = 272,705.89

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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.