Home / 400,112.06-599,501.70-281,534.27

Finding the Fourth Proportional to 400,112.06, 599,501.70 and 281,534.27

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Solution

The fourth proportional to 400,112.06, 599,501.70 and 281,534.27 is: 421,832.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,112.06 : 599,501.70 = 281,534.27 : x
  2. Step 2: Convert to fraction form
    400,112.06/599,501.70 = 281,534.27/x
  3. Step 3: Cross multiply
    400,112.06x = 599,501.70 × 281,534.27
  4. Step 4: Simplify right side
    400,112.06x = 168,780,270,475.75
  5. Step 5: Solve for x
    x = 168,780,270,475.75/400,112.06
  6. Step 6: Final answer
    x = 421,832.51

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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.