Home / 411,191.08-567,271.73-320,389.37

Finding the Fourth Proportional to 411,191.08, 567,271.73 and 320,389.37

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Solution

The fourth proportional to 411,191.08, 567,271.73 and 320,389.37 is: 442,003.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,191.08 : 567,271.73 = 320,389.37 : x
  2. Step 2: Convert to fraction form
    411,191.08/567,271.73 = 320,389.37/x
  3. Step 3: Cross multiply
    411,191.08x = 567,271.73 × 320,389.37
  4. Step 4: Simplify right side
    411,191.08x = 181,747,827,755.21
  5. Step 5: Solve for x
    x = 181,747,827,755.21/411,191.08
  6. Step 6: Final answer
    x = 442,003.34

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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.