Home / 893,288.90-1,339,645.39-294,107.40

Finding the Fourth Proportional to 893,288.90, 1,339,645.39 and 294,107.40

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Solution

The fourth proportional to 893,288.90, 1,339,645.39 and 294,107.40 is: 441,066.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,288.90 : 1,339,645.39 = 294,107.40 : x
  2. Step 2: Convert to fraction form
    893,288.90/1,339,645.39 = 294,107.40/x
  3. Step 3: Cross multiply
    893,288.90x = 1,339,645.39 × 294,107.40
  4. Step 4: Simplify right side
    893,288.90x = 393,999,622,574.89
  5. Step 5: Solve for x
    x = 393,999,622,574.89/893,288.90
  6. Step 6: Final answer
    x = 441,066.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.