Home / 421,799.19-582,082.92-230,812.60

Finding the Fourth Proportional to 421,799.19, 582,082.92 and 230,812.60

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Solution

The fourth proportional to 421,799.19, 582,082.92 and 230,812.60 is: 318,521.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,799.19 : 582,082.92 = 230,812.60 : x
  2. Step 2: Convert to fraction form
    421,799.19/582,082.92 = 230,812.60/x
  3. Step 3: Cross multiply
    421,799.19x = 582,082.92 × 230,812.60
  4. Step 4: Simplify right side
    421,799.19x = 134,352,070,725.59
  5. Step 5: Solve for x
    x = 134,352,070,725.59/421,799.19
  6. Step 6: Final answer
    x = 318,521.41

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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.