Home / 556,173-827,104.86-538,458.12

Finding the Fourth Proportional to 556,173, 827,104.86 and 538,458.12

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Solution

The fourth proportional to 556,173, 827,104.86 and 538,458.12 is: 800,760.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,173 : 827,104.86 = 538,458.12 : x
  2. Step 2: Convert to fraction form
    556,173/827,104.86 = 538,458.12/x
  3. Step 3: Cross multiply
    556,173x = 827,104.86 × 538,458.12
  4. Step 4: Simplify right side
    556,173x = 445,361,327,958.46
  5. Step 5: Solve for x
    x = 445,361,327,958.46/556,173
  6. Step 6: Final answer
    x = 800,760.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.