Home / 404,080.20-557,402.40-252,914.76

Finding the Fourth Proportional to 404,080.20, 557,402.40 and 252,914.76

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Solution

The fourth proportional to 404,080.20, 557,402.40 and 252,914.76 is: 348,879.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,080.20 : 557,402.40 = 252,914.76 : x
  2. Step 2: Convert to fraction form
    404,080.20/557,402.40 = 252,914.76/x
  3. Step 3: Cross multiply
    404,080.20x = 557,402.40 × 252,914.76
  4. Step 4: Simplify right side
    404,080.20x = 140,975,294,219.42
  5. Step 5: Solve for x
    x = 140,975,294,219.42/404,080.20
  6. Step 6: Final answer
    x = 348,879.49

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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.