Home / 569,148-785,555.19-327,570.09

Finding the Fourth Proportional to 569,148, 785,555.19 and 327,570.09

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Solution

The fourth proportional to 569,148, 785,555.19 and 327,570.09 is: 452,122.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,148 : 785,555.19 = 327,570.09 : x
  2. Step 2: Convert to fraction form
    569,148/785,555.19 = 327,570.09/x
  3. Step 3: Cross multiply
    569,148x = 785,555.19 × 327,570.09
  4. Step 4: Simplify right side
    569,148x = 257,324,384,288.27
  5. Step 5: Solve for x
    x = 257,324,384,288.27/569,148
  6. Step 6: Final answer
    x = 452,122.09

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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.