Home / 298,577.48-412,066.02-222,994.76

Finding the Fourth Proportional to 298,577.48, 412,066.02 and 222,994.76

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Solution

The fourth proportional to 298,577.48, 412,066.02 and 222,994.76 is: 307,754.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,577.48 : 412,066.02 = 222,994.76 : x
  2. Step 2: Convert to fraction form
    298,577.48/412,066.02 = 222,994.76/x
  3. Step 3: Cross multiply
    298,577.48x = 412,066.02 × 222,994.76
  4. Step 4: Simplify right side
    298,577.48x = 91,888,563,234.06
  5. Step 5: Solve for x
    x = 91,888,563,234.06/298,577.48
  6. Step 6: Final answer
    x = 307,754.50

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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.