Home / 421,950.26-582,291.96-230,975.72

Finding the Fourth Proportional to 421,950.26, 582,291.96 and 230,975.72

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Solution

The fourth proportional to 421,950.26, 582,291.96 and 230,975.72 is: 318,746.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,950.26 : 582,291.96 = 230,975.72 : x
  2. Step 2: Convert to fraction form
    421,950.26/582,291.96 = 230,975.72/x
  3. Step 3: Cross multiply
    421,950.26x = 582,291.96 × 230,975.72
  4. Step 4: Simplify right side
    421,950.26x = 134,495,304,711.21
  5. Step 5: Solve for x
    x = 134,495,304,711.21/421,950.26
  6. Step 6: Final answer
    x = 318,746.82

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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.