Home / 862,866.15-1,192,907.48-647,632.54

Finding the Fourth Proportional to 862,866.15, 1,192,907.48 and 647,632.54

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Solution

The fourth proportional to 862,866.15, 1,192,907.48 and 647,632.54 is: 895,348.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,866.15 : 1,192,907.48 = 647,632.54 : x
  2. Step 2: Convert to fraction form
    862,866.15/1,192,907.48 = 647,632.54/x
  3. Step 3: Cross multiply
    862,866.15x = 1,192,907.48 × 647,632.54
  4. Step 4: Simplify right side
    862,866.15x = 772,565,701,257.40
  5. Step 5: Solve for x
    x = 772,565,701,257.40/862,866.15
  6. Step 6: Final answer
    x = 895,348.25

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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.