Home / 623,912.60-861,105.26-352,057.57

Finding the Fourth Proportional to 623,912.60, 861,105.26 and 352,057.57

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Solution

The fourth proportional to 623,912.60, 861,105.26 and 352,057.57 is: 485,899.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,912.60 : 861,105.26 = 352,057.57 : x
  2. Step 2: Convert to fraction form
    623,912.60/861,105.26 = 352,057.57/x
  3. Step 3: Cross multiply
    623,912.60x = 861,105.26 × 352,057.57
  4. Step 4: Simplify right side
    623,912.60x = 303,158,625,349.82
  5. Step 5: Solve for x
    x = 303,158,625,349.82/623,912.60
  6. Step 6: Final answer
    x = 485,899.19

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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.