Home / 896,285.94-1,236,858.66-488,390.64

Finding the Fourth Proportional to 896,285.94, 1,236,858.66 and 488,390.64

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Solution

The fourth proportional to 896,285.94, 1,236,858.66 and 488,390.64 is: 673,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,285.94 : 1,236,858.66 = 488,390.64 : x
  2. Step 2: Convert to fraction form
    896,285.94/1,236,858.66 = 488,390.64/x
  3. Step 3: Cross multiply
    896,285.94x = 1,236,858.66 × 488,390.64
  4. Step 4: Simplify right side
    896,285.94x = 604,070,192,546.94
  5. Step 5: Solve for x
    x = 604,070,192,546.94/896,285.94
  6. Step 6: Final answer
    x = 673,970.40

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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.