Home / 411,195.23-567,277.52-320,393.55

Finding the Fourth Proportional to 411,195.23, 567,277.52 and 320,393.55

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Solution

The fourth proportional to 411,195.23, 567,277.52 and 320,393.55 is: 442,009.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,195.23 : 567,277.52 = 320,393.55 : x
  2. Step 2: Convert to fraction form
    411,195.23/567,277.52 = 320,393.55/x
  3. Step 3: Cross multiply
    411,195.23x = 567,277.52 × 320,393.55
  4. Step 4: Simplify right side
    411,195.23x = 181,752,058,468.00
  5. Step 5: Solve for x
    x = 181,752,058,468.00/411,195.23
  6. Step 6: Final answer
    x = 442,009.16

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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.