Home / 831,618.06-1,246,366.53-405,255.66

Finding the Fourth Proportional to 831,618.06, 1,246,366.53 and 405,255.66

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Solution

The fourth proportional to 831,618.06, 1,246,366.53 and 405,255.66 is: 607,366.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,618.06 : 1,246,366.53 = 405,255.66 : x
  2. Step 2: Convert to fraction form
    831,618.06/1,246,366.53 = 405,255.66/x
  3. Step 3: Cross multiply
    831,618.06x = 1,246,366.53 × 405,255.66
  4. Step 4: Simplify right side
    831,618.06x = 505,097,090,717.06
  5. Step 5: Solve for x
    x = 505,097,090,717.06/831,618.06
  6. Step 6: Final answer
    x = 607,366.67

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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.