Home / 417,721.55-576,356.91-236,433.46

Finding the Fourth Proportional to 417,721.55, 576,356.91 and 236,433.46

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Solution

The fourth proportional to 417,721.55, 576,356.91 and 236,433.46 is: 326,222.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,721.55 : 576,356.91 = 236,433.46 : x
  2. Step 2: Convert to fraction form
    417,721.55/576,356.91 = 236,433.46/x
  3. Step 3: Cross multiply
    417,721.55x = 576,356.91 × 236,433.46
  4. Step 4: Simplify right side
    417,721.55x = 136,270,055,544.42
  5. Step 5: Solve for x
    x = 136,270,055,544.42/417,721.55
  6. Step 6: Final answer
    x = 326,222.23

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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.