Home / 421,799.19-582,082.77-230,812.53

Finding the Fourth Proportional to 421,799.19, 582,082.77 and 230,812.53

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Solution

The fourth proportional to 421,799.19, 582,082.77 and 230,812.53 is: 318,521.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,799.19 : 582,082.77 = 230,812.53 : x
  2. Step 2: Convert to fraction form
    421,799.19/582,082.77 = 230,812.53/x
  3. Step 3: Cross multiply
    421,799.19x = 582,082.77 × 230,812.53
  4. Step 4: Simplify right side
    421,799.19x = 134,351,996,813.11
  5. Step 5: Solve for x
    x = 134,351,996,813.11/421,799.19
  6. Step 6: Final answer
    x = 318,521.23

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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.