Home / 371,017.26-511,688.07-285,184.26

Finding the Fourth Proportional to 371,017.26, 511,688.07 and 285,184.26

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Solution

The fourth proportional to 371,017.26, 511,688.07 and 285,184.26 is: 393,311.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,017.26 : 511,688.07 = 285,184.26 : x
  2. Step 2: Convert to fraction form
    371,017.26/511,688.07 = 285,184.26/x
  3. Step 3: Cross multiply
    371,017.26x = 511,688.07 × 285,184.26
  4. Step 4: Simplify right side
    371,017.26x = 145,925,383,593.78
  5. Step 5: Solve for x
    x = 145,925,383,593.78/371,017.26
  6. Step 6: Final answer
    x = 393,311.58

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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.