Home / 785,067.06-1,083,448.53-445,557.18

Finding the Fourth Proportional to 785,067.06, 1,083,448.53 and 445,557.18

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Solution

The fourth proportional to 785,067.06, 1,083,448.53 and 445,557.18 is: 614,900.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,067.06 : 1,083,448.53 = 445,557.18 : x
  2. Step 2: Convert to fraction form
    785,067.06/1,083,448.53 = 445,557.18/x
  3. Step 3: Cross multiply
    785,067.06x = 1,083,448.53 × 445,557.18
  4. Step 4: Simplify right side
    785,067.06x = 482,738,271,701.95
  5. Step 5: Solve for x
    x = 482,738,271,701.95/785,067.06
  6. Step 6: Final answer
    x = 614,900.68

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Double scale
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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.