Home / 397,597.32-548,643.29-236,421.23

Finding the Fourth Proportional to 397,597.32, 548,643.29 and 236,421.23

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Solution

The fourth proportional to 397,597.32, 548,643.29 and 236,421.23 is: 326,236.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,597.32 : 548,643.29 = 236,421.23 : x
  2. Step 2: Convert to fraction form
    397,597.32/548,643.29 = 236,421.23/x
  3. Step 3: Cross multiply
    397,597.32x = 548,643.29 × 236,421.23
  4. Step 4: Simplify right side
    397,597.32x = 129,710,917,527.72
  5. Step 5: Solve for x
    x = 129,710,917,527.72/397,597.32
  6. Step 6: Final answer
    x = 326,236.90

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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.