Home / 743,644.76-1,114,840.26-322,603.16

Finding the Fourth Proportional to 743,644.76, 1,114,840.26 and 322,603.16

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Solution

The fourth proportional to 743,644.76, 1,114,840.26 and 322,603.16 is: 483,632.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,644.76 : 1,114,840.26 = 322,603.16 : x
  2. Step 2: Convert to fraction form
    743,644.76/1,114,840.26 = 322,603.16/x
  3. Step 3: Cross multiply
    743,644.76x = 1,114,840.26 × 322,603.16
  4. Step 4: Simplify right side
    743,644.76x = 359,650,990,771.22
  5. Step 5: Solve for x
    x = 359,650,990,771.22/743,644.76
  6. Step 6: Final answer
    x = 483,632.79

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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.