Home / 839,166.49-1,158,049.88-457,193.27

Finding the Fourth Proportional to 839,166.49, 1,158,049.88 and 457,193.27

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Solution

The fourth proportional to 839,166.49, 1,158,049.88 and 457,193.27 is: 630,926.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,166.49 : 1,158,049.88 = 457,193.27 : x
  2. Step 2: Convert to fraction form
    839,166.49/1,158,049.88 = 457,193.27/x
  3. Step 3: Cross multiply
    839,166.49x = 1,158,049.88 × 457,193.27
  4. Step 4: Simplify right side
    839,166.49x = 529,452,613,783.94
  5. Step 5: Solve for x
    x = 529,452,613,783.94/839,166.49
  6. Step 6: Final answer
    x = 630,926.78

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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.