Home / 623,999.56-861,119.60-352,125.24

Finding the Fourth Proportional to 623,999.56, 861,119.60 and 352,125.24

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Solution

The fourth proportional to 623,999.56, 861,119.60 and 352,125.24 is: 485,932.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,999.56 : 861,119.60 = 352,125.24 : x
  2. Step 2: Convert to fraction form
    623,999.56/861,119.60 = 352,125.24/x
  3. Step 3: Cross multiply
    623,999.56x = 861,119.60 × 352,125.24
  4. Step 4: Simplify right side
    623,999.56x = 303,221,945,818.70
  5. Step 5: Solve for x
    x = 303,221,945,818.70/623,999.56
  6. Step 6: Final answer
    x = 485,932.95

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1.5x scale

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.