Home / 831,887.76-1,247,782.38-232,835.64

Finding the Fourth Proportional to 831,887.76, 1,247,782.38 and 232,835.64

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Solution

The fourth proportional to 831,887.76, 1,247,782.38 and 232,835.64 is: 349,239.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,887.76 : 1,247,782.38 = 232,835.64 : x
  2. Step 2: Convert to fraction form
    831,887.76/1,247,782.38 = 232,835.64/x
  3. Step 3: Cross multiply
    831,887.76x = 1,247,782.38 × 232,835.64
  4. Step 4: Simplify right side
    831,887.76x = 290,528,209,028.02
  5. Step 5: Solve for x
    x = 290,528,209,028.02/831,887.76
  6. Step 6: Final answer
    x = 349,239.67

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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.