Home / 424,540.12-585,865.28-254,774.38

Finding the Fourth Proportional to 424,540.12, 585,865.28 and 254,774.38

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Solution

The fourth proportional to 424,540.12, 585,865.28 and 254,774.38 is: 351,588.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,540.12 : 585,865.28 = 254,774.38 : x
  2. Step 2: Convert to fraction form
    424,540.12/585,865.28 = 254,774.38/x
  3. Step 3: Cross multiply
    424,540.12x = 585,865.28 × 254,774.38
  4. Step 4: Simplify right side
    424,540.12x = 149,263,463,475.53
  5. Step 5: Solve for x
    x = 149,263,463,475.53/424,540.12
  6. Step 6: Final answer
    x = 351,588.59

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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.