Home / 939,863.12-1,297,012.41-510,143.33

Finding the Fourth Proportional to 939,863.12, 1,297,012.41 and 510,143.33

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Solution

The fourth proportional to 939,863.12, 1,297,012.41 and 510,143.33 is: 703,998.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,863.12 : 1,297,012.41 = 510,143.33 : x
  2. Step 2: Convert to fraction form
    939,863.12/1,297,012.41 = 510,143.33/x
  3. Step 3: Cross multiply
    939,863.12x = 1,297,012.41 × 510,143.33
  4. Step 4: Simplify right side
    939,863.12x = 661,662,229,888.73
  5. Step 5: Solve for x
    x = 661,662,229,888.73/939,863.12
  6. Step 6: Final answer
    x = 703,998.50

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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.