Home / 528,519.60-729,187.38-295,912.26

Finding the Fourth Proportional to 528,519.60, 729,187.38 and 295,912.26

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Solution

The fourth proportional to 528,519.60, 729,187.38 and 295,912.26 is: 408,263.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,519.60 : 729,187.38 = 295,912.26 : x
  2. Step 2: Convert to fraction form
    528,519.60/729,187.38 = 295,912.26/x
  3. Step 3: Cross multiply
    528,519.60x = 729,187.38 × 295,912.26
  4. Step 4: Simplify right side
    528,519.60x = 215,775,485,579.28
  5. Step 5: Solve for x
    x = 215,775,485,579.28/528,519.60
  6. Step 6: Final answer
    x = 408,263.92

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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.