Home / 713,647.52-1,074,747.58-649,874.60

Finding the Fourth Proportional to 713,647.52, 1,074,747.58 and 649,874.60

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Solution

The fourth proportional to 713,647.52, 1,074,747.58 and 649,874.60 is: 978,706.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,647.52 : 1,074,747.58 = 649,874.60 : x
  2. Step 2: Convert to fraction form
    713,647.52/1,074,747.58 = 649,874.60/x
  3. Step 3: Cross multiply
    713,647.52x = 1,074,747.58 × 649,874.60
  4. Step 4: Simplify right side
    713,647.52x = 698,451,153,653.47
  5. Step 5: Solve for x
    x = 698,451,153,653.47/713,647.52
  6. Step 6: Final answer
    x = 978,706.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.