Home / 774,525.42-1,162,242.86-325,211.74

Finding the Fourth Proportional to 774,525.42, 1,162,242.86 and 325,211.74

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Solution

The fourth proportional to 774,525.42, 1,162,242.86 and 325,211.74 is: 488,008.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,525.42 : 1,162,242.86 = 325,211.74 : x
  2. Step 2: Convert to fraction form
    774,525.42/1,162,242.86 = 325,211.74/x
  3. Step 3: Cross multiply
    774,525.42x = 1,162,242.86 × 325,211.74
  4. Step 4: Simplify right side
    774,525.42x = 377,975,022,803.18
  5. Step 5: Solve for x
    x = 377,975,022,803.18/774,525.42
  6. Step 6: Final answer
    x = 488,008.54

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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.