Home / 775,870.58-1,070,540.98-453,518.33

Finding the Fourth Proportional to 775,870.58, 1,070,540.98 and 453,518.33

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Solution

The fourth proportional to 775,870.58, 1,070,540.98 and 453,518.33 is: 625,761.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,870.58 : 1,070,540.98 = 453,518.33 : x
  2. Step 2: Convert to fraction form
    775,870.58/1,070,540.98 = 453,518.33/x
  3. Step 3: Cross multiply
    775,870.58x = 1,070,540.98 × 453,518.33
  4. Step 4: Simplify right side
    775,870.58x = 485,509,950,959.66
  5. Step 5: Solve for x
    x = 485,509,950,959.66/775,870.58
  6. Step 6: Final answer
    x = 625,761.51

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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.