Home / 685,141.79-1,027,781.73-235,803.60

Finding the Fourth Proportional to 685,141.79, 1,027,781.73 and 235,803.60

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Solution

The fourth proportional to 685,141.79, 1,027,781.73 and 235,803.60 is: 353,729.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,141.79 : 1,027,781.73 = 235,803.60 : x
  2. Step 2: Convert to fraction form
    685,141.79/1,027,781.73 = 235,803.60/x
  3. Step 3: Cross multiply
    685,141.79x = 1,027,781.73 × 235,803.60
  4. Step 4: Simplify right side
    685,141.79x = 242,354,631,948.23
  5. Step 5: Solve for x
    x = 242,354,631,948.23/685,141.79
  6. Step 6: Final answer
    x = 353,729.17

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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.