Home / 421,946.64-582,287.22-230,972.22

Finding the Fourth Proportional to 421,946.64, 582,287.22 and 230,972.22

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Solution

The fourth proportional to 421,946.64, 582,287.22 and 230,972.22 is: 318,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,946.64 : 582,287.22 = 230,972.22 : x
  2. Step 2: Convert to fraction form
    421,946.64/582,287.22 = 230,972.22/x
  3. Step 3: Cross multiply
    421,946.64x = 582,287.22 × 230,972.22
  4. Step 4: Simplify right side
    421,946.64x = 134,492,171,881.03
  5. Step 5: Solve for x
    x = 134,492,171,881.03/421,946.64
  6. Step 6: Final answer
    x = 318,742.13

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1.5x scale

Why These Related Problems?

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