Home / 401,029.58-553,420.96-219,740.04

Finding the Fourth Proportional to 401,029.58, 553,420.96 and 219,740.04

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Solution

The fourth proportional to 401,029.58, 553,420.96 and 219,740.04 is: 303,241.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,029.58 : 553,420.96 = 219,740.04 : x
  2. Step 2: Convert to fraction form
    401,029.58/553,420.96 = 219,740.04/x
  3. Step 3: Cross multiply
    401,029.58x = 553,420.96 × 219,740.04
  4. Step 4: Simplify right side
    401,029.58x = 121,608,743,337.89
  5. Step 5: Solve for x
    x = 121,608,743,337.89/401,029.58
  6. Step 6: Final answer
    x = 303,241.33

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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.