Home / 807,017.82-1,208,951.91-628,689.84

Finding the Fourth Proportional to 807,017.82, 1,208,951.91 and 628,689.84

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Solution

The fourth proportional to 807,017.82, 1,208,951.91 and 628,689.84 is: 941,807.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,017.82 : 1,208,951.91 = 628,689.84 : x
  2. Step 2: Convert to fraction form
    807,017.82/1,208,951.91 = 628,689.84/x
  3. Step 3: Cross multiply
    807,017.82x = 1,208,951.91 × 628,689.84
  4. Step 4: Simplify right side
    807,017.82x = 760,055,782,865.59
  5. Step 5: Solve for x
    x = 760,055,782,865.59/807,017.82
  6. Step 6: Final answer
    x = 941,807.93

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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.