Home / 896,286.94-1,236,860.04-488,391.64

Finding the Fourth Proportional to 896,286.94, 1,236,860.04 and 488,391.64

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Solution

The fourth proportional to 896,286.94, 1,236,860.04 and 488,391.64 is: 673,971.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,286.94 : 1,236,860.04 = 488,391.64 : x
  2. Step 2: Convert to fraction form
    896,286.94/1,236,860.04 = 488,391.64/x
  3. Step 3: Cross multiply
    896,286.94x = 1,236,860.04 × 488,391.64
  4. Step 4: Simplify right side
    896,286.94x = 604,072,103,386.07
  5. Step 5: Solve for x
    x = 604,072,103,386.07/896,286.94
  6. Step 6: Final answer
    x = 673,971.78

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Double scale
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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.