Home / 446,270.35-615,699.14-285,219.67

Finding the Fourth Proportional to 446,270.35, 615,699.14 and 285,219.67

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Solution

The fourth proportional to 446,270.35, 615,699.14 and 285,219.67 is: 393,504.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,270.35 : 615,699.14 = 285,219.67 : x
  2. Step 2: Convert to fraction form
    446,270.35/615,699.14 = 285,219.67/x
  3. Step 3: Cross multiply
    446,270.35x = 615,699.14 × 285,219.67
  4. Step 4: Simplify right side
    446,270.35x = 175,609,505,530.08
  5. Step 5: Solve for x
    x = 175,609,505,530.08/446,270.35
  6. Step 6: Final answer
    x = 393,504.76

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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.