Home / 946,940.96-1,306,770.74-517,221.38

Finding the Fourth Proportional to 946,940.96, 1,306,770.74 and 517,221.38

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Solution

The fourth proportional to 946,940.96, 1,306,770.74 and 517,221.38 is: 713,761.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,940.96 : 1,306,770.74 = 517,221.38 : x
  2. Step 2: Convert to fraction form
    946,940.96/1,306,770.74 = 517,221.38/x
  3. Step 3: Cross multiply
    946,940.96x = 1,306,770.74 × 517,221.38
  4. Step 4: Simplify right side
    946,940.96x = 675,889,765,486.42
  5. Step 5: Solve for x
    x = 675,889,765,486.42/946,940.96
  6. Step 6: Final answer
    x = 713,761.25

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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.