Home / 421,926.07-632,790.66-122,326.24

Finding the Fourth Proportional to 421,926.07, 632,790.66 and 122,326.24

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Solution

The fourth proportional to 421,926.07, 632,790.66 and 122,326.24 is: 183,460.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,926.07 : 632,790.66 = 122,326.24 : x
  2. Step 2: Convert to fraction form
    421,926.07/632,790.66 = 122,326.24/x
  3. Step 3: Cross multiply
    421,926.07x = 632,790.66 × 122,326.24
  4. Step 4: Simplify right side
    421,926.07x = 77,406,902,144.92
  5. Step 5: Solve for x
    x = 77,406,902,144.92/421,926.07
  6. Step 6: Final answer
    x = 183,460.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.