Home / 623,902.56-861,091.46-352,047.52

Finding the Fourth Proportional to 623,902.56, 861,091.46 and 352,047.52

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Solution

The fourth proportional to 623,902.56, 861,091.46 and 352,047.52 is: 485,885.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,902.56 : 861,091.46 = 352,047.52 : x
  2. Step 2: Convert to fraction form
    623,902.56/861,091.46 = 352,047.52/x
  3. Step 3: Cross multiply
    623,902.56x = 861,091.46 × 352,047.52
  4. Step 4: Simplify right side
    623,902.56x = 303,145,112,986.18
  5. Step 5: Solve for x
    x = 303,145,112,986.18/623,902.56
  6. Step 6: Final answer
    x = 485,885.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.