Home / 702,828.90-1,054,231.05-276,409.01

Finding the Fourth Proportional to 702,828.90, 1,054,231.05 and 276,409.01

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Solution

The fourth proportional to 702,828.90, 1,054,231.05 and 276,409.01 is: 414,608.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,828.90 : 1,054,231.05 = 276,409.01 : x
  2. Step 2: Convert to fraction form
    702,828.90/1,054,231.05 = 276,409.01/x
  3. Step 3: Cross multiply
    702,828.90x = 1,054,231.05 × 276,409.01
  4. Step 4: Simplify right side
    702,828.90x = 291,398,957,029.02
  5. Step 5: Solve for x
    x = 291,398,957,029.02/702,828.90
  6. Step 6: Final answer
    x = 414,608.67

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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.