Home / 528,504.23-729,325.71-299,057.33

Finding the Fourth Proportional to 528,504.23, 729,325.71 and 299,057.33

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Solution

The fourth proportional to 528,504.23, 729,325.71 and 299,057.33 is: 412,693.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,504.23 : 729,325.71 = 299,057.33 : x
  2. Step 2: Convert to fraction form
    528,504.23/729,325.71 = 299,057.33/x
  3. Step 3: Cross multiply
    528,504.23x = 729,325.71 × 299,057.33
  4. Step 4: Simplify right side
    528,504.23x = 218,110,201,356.27
  5. Step 5: Solve for x
    x = 218,110,201,356.27/528,504.23
  6. Step 6: Final answer
    x = 412,693.39

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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.