Home / 483,400.54-724,845.65-163,442.44

Finding the Fourth Proportional to 483,400.54, 724,845.65 and 163,442.44

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Solution

The fourth proportional to 483,400.54, 724,845.65 and 163,442.44 is: 245,077.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,400.54 : 724,845.65 = 163,442.44 : x
  2. Step 2: Convert to fraction form
    483,400.54/724,845.65 = 163,442.44/x
  3. Step 3: Cross multiply
    483,400.54x = 724,845.65 × 163,442.44
  4. Step 4: Simplify right side
    483,400.54x = 118,470,541,748.23
  5. Step 5: Solve for x
    x = 118,470,541,748.23/483,400.54
  6. Step 6: Final answer
    x = 245,077.39

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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.