Home / 557,621.82-769,525.11-302,977.26

Finding the Fourth Proportional to 557,621.82, 769,525.11 and 302,977.26

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Solution

The fourth proportional to 557,621.82, 769,525.11 and 302,977.26 is: 418,112.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,621.82 : 769,525.11 = 302,977.26 : x
  2. Step 2: Convert to fraction form
    557,621.82/769,525.11 = 302,977.26/x
  3. Step 3: Cross multiply
    557,621.82x = 769,525.11 × 302,977.26
  4. Step 4: Simplify right side
    557,621.82x = 233,148,609,329.00
  5. Step 5: Solve for x
    x = 233,148,609,329.00/557,621.82
  6. Step 6: Final answer
    x = 418,112.42

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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.