Home / 863,396.88-1,295,204.04-294,885.60

Finding the Fourth Proportional to 863,396.88, 1,295,204.04 and 294,885.60

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Solution

The fourth proportional to 863,396.88, 1,295,204.04 and 294,885.60 is: 442,365.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,396.88 : 1,295,204.04 = 294,885.60 : x
  2. Step 2: Convert to fraction form
    863,396.88/1,295,204.04 = 294,885.60/x
  3. Step 3: Cross multiply
    863,396.88x = 1,295,204.04 × 294,885.60
  4. Step 4: Simplify right side
    863,396.88x = 381,937,020,457.82
  5. Step 5: Solve for x
    x = 381,937,020,457.82/863,396.88
  6. Step 6: Final answer
    x = 442,365.53

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Double scale
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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.