Home / 441,757.04-608,896.68-312,528.56

Finding the Fourth Proportional to 441,757.04, 608,896.68 and 312,528.56

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Solution

The fourth proportional to 441,757.04, 608,896.68 and 312,528.56 is: 430,774.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,757.04 : 608,896.68 = 312,528.56 : x
  2. Step 2: Convert to fraction form
    441,757.04/608,896.68 = 312,528.56/x
  3. Step 3: Cross multiply
    441,757.04x = 608,896.68 × 312,528.56
  4. Step 4: Simplify right side
    441,757.04x = 190,297,602,589.18
  5. Step 5: Solve for x
    x = 190,297,602,589.18/441,757.04
  6. Step 6: Final answer
    x = 430,774.35

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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.