Home / 683,999.60-1,025,999.40-257,534.60

Finding the Fourth Proportional to 683,999.60, 1,025,999.40 and 257,534.60

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Solution

The fourth proportional to 683,999.60, 1,025,999.40 and 257,534.60 is: 386,301.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,999.60 : 1,025,999.40 = 257,534.60 : x
  2. Step 2: Convert to fraction form
    683,999.60/1,025,999.40 = 257,534.60/x
  3. Step 3: Cross multiply
    683,999.60x = 1,025,999.40 × 257,534.60
  4. Step 4: Simplify right side
    683,999.60x = 264,230,345,079.24
  5. Step 5: Solve for x
    x = 264,230,345,079.24/683,999.60
  6. Step 6: Final answer
    x = 386,301.90

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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.