Home / 441,318.64-608,839.32-307,260.40

Finding the Fourth Proportional to 441,318.64, 608,839.32 and 307,260.40

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Solution

The fourth proportional to 441,318.64, 608,839.32 and 307,260.40 is: 423,893.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,318.64 : 608,839.32 = 307,260.40 : x
  2. Step 2: Convert to fraction form
    441,318.64/608,839.32 = 307,260.40/x
  3. Step 3: Cross multiply
    441,318.64x = 608,839.32 × 307,260.40
  4. Step 4: Simplify right side
    441,318.64x = 187,072,212,998.93
  5. Step 5: Solve for x
    x = 187,072,212,998.93/441,318.64
  6. Step 6: Final answer
    x = 423,893.75

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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.