Home / 443,566.50-612,121.77-242,362.50

Finding the Fourth Proportional to 443,566.50, 612,121.77 and 242,362.50

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Solution

The fourth proportional to 443,566.50, 612,121.77 and 242,362.50 is: 334,460.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,566.50 : 612,121.77 = 242,362.50 : x
  2. Step 2: Convert to fraction form
    443,566.50/612,121.77 = 242,362.50/x
  3. Step 3: Cross multiply
    443,566.50x = 612,121.77 × 242,362.50
  4. Step 4: Simplify right side
    443,566.50x = 148,355,362,481.63
  5. Step 5: Solve for x
    x = 148,355,362,481.63/443,566.50
  6. Step 6: Final answer
    x = 334,460.25

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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.