Home / 940,340.75-1,297,672.85-510,628.05

Finding the Fourth Proportional to 940,340.75, 1,297,672.85 and 510,628.05

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Solution

The fourth proportional to 940,340.75, 1,297,672.85 and 510,628.05 is: 704,668.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,340.75 : 1,297,672.85 = 510,628.05 : x
  2. Step 2: Convert to fraction form
    940,340.75/1,297,672.85 = 510,628.05/x
  3. Step 3: Cross multiply
    940,340.75x = 1,297,672.85 × 510,628.05
  4. Step 4: Simplify right side
    940,340.75x = 662,628,158,210.01
  5. Step 5: Solve for x
    x = 662,628,158,210.01/940,340.75
  6. Step 6: Final answer
    x = 704,668.13

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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.