Home / 362,325.20-542,831.70-309,837.20

Finding the Fourth Proportional to 362,325.20, 542,831.70 and 309,837.20

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Solution

The fourth proportional to 362,325.20, 542,831.70 and 309,837.20 is: 464,194.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,325.20 : 542,831.70 = 309,837.20 : x
  2. Step 2: Convert to fraction form
    362,325.20/542,831.70 = 309,837.20/x
  3. Step 3: Cross multiply
    362,325.20x = 542,831.70 × 309,837.20
  4. Step 4: Simplify right side
    362,325.20x = 168,189,453,999.24
  5. Step 5: Solve for x
    x = 168,189,453,999.24/362,325.20
  6. Step 6: Final answer
    x = 464,194.75

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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.