Home / 421,811.60-582,108.36-230,824.40

Finding the Fourth Proportional to 421,811.60, 582,108.36 and 230,824.40

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Solution

The fourth proportional to 421,811.60, 582,108.36 and 230,824.40 is: 318,542.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,811.60 : 582,108.36 = 230,824.40 : x
  2. Step 2: Convert to fraction form
    421,811.60/582,108.36 = 230,824.40/x
  3. Step 3: Cross multiply
    421,811.60x = 582,108.36 × 230,824.40
  4. Step 4: Simplify right side
    421,811.60x = 134,364,812,931.98
  5. Step 5: Solve for x
    x = 134,364,812,931.98/421,811.60
  6. Step 6: Final answer
    x = 318,542.24

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.