Home / 683,117.80-1,024,676.70-328,046.20

Finding the Fourth Proportional to 683,117.80, 1,024,676.70 and 328,046.20

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Solution

The fourth proportional to 683,117.80, 1,024,676.70 and 328,046.20 is: 492,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,117.80 : 1,024,676.70 = 328,046.20 : x
  2. Step 2: Convert to fraction form
    683,117.80/1,024,676.70 = 328,046.20/x
  3. Step 3: Cross multiply
    683,117.80x = 1,024,676.70 × 328,046.20
  4. Step 4: Simplify right side
    683,117.80x = 336,141,297,663.54
  5. Step 5: Solve for x
    x = 336,141,297,663.54/683,117.80
  6. Step 6: Final answer
    x = 492,069.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.