Home / 421,626.36-631,998.90-184,769.40

Finding the Fourth Proportional to 421,626.36, 631,998.90 and 184,769.40

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Solution

The fourth proportional to 421,626.36, 631,998.90 and 184,769.40 is: 276,961.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,626.36 : 631,998.90 = 184,769.40 : x
  2. Step 2: Convert to fraction form
    421,626.36/631,998.90 = 184,769.40/x
  3. Step 3: Cross multiply
    421,626.36x = 631,998.90 × 184,769.40
  4. Step 4: Simplify right side
    421,626.36x = 116,774,057,553.66
  5. Step 5: Solve for x
    x = 116,774,057,553.66/421,626.36
  6. Step 6: Final answer
    x = 276,961.00

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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.