Home / 851,729.33-1,278,480.14-627,343.13

Finding the Fourth Proportional to 851,729.33, 1,278,480.14 and 627,343.13

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Solution

The fourth proportional to 851,729.33, 1,278,480.14 and 627,343.13 is: 941,667.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,729.33 : 1,278,480.14 = 627,343.13 : x
  2. Step 2: Convert to fraction form
    851,729.33/1,278,480.14 = 627,343.13/x
  3. Step 3: Cross multiply
    851,729.33x = 1,278,480.14 × 627,343.13
  4. Step 4: Simplify right side
    851,729.33x = 802,045,729,533.72
  5. Step 5: Solve for x
    x = 802,045,729,533.72/851,729.33
  6. Step 6: Final answer
    x = 941,667.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.