Home / 483,058.20-724,587.30-315,096.60

Finding the Fourth Proportional to 483,058.20, 724,587.30 and 315,096.60

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Solution

The fourth proportional to 483,058.20, 724,587.30 and 315,096.60 is: 472,644.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,058.20 : 724,587.30 = 315,096.60 : x
  2. Step 2: Convert to fraction form
    483,058.20/724,587.30 = 315,096.60/x
  3. Step 3: Cross multiply
    483,058.20x = 724,587.30 × 315,096.60
  4. Step 4: Simplify right side
    483,058.20x = 228,314,994,633.18
  5. Step 5: Solve for x
    x = 228,314,994,633.18/483,058.20
  6. Step 6: Final answer
    x = 472,644.90

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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.