Home / 713,988.44-1,069,524.62-398,613.32

Finding the Fourth Proportional to 713,988.44, 1,069,524.62 and 398,613.32

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Solution

The fourth proportional to 713,988.44, 1,069,524.62 and 398,613.32 is: 597,105.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,988.44 : 1,069,524.62 = 398,613.32 : x
  2. Step 2: Convert to fraction form
    713,988.44/1,069,524.62 = 398,613.32/x
  3. Step 3: Cross multiply
    713,988.44x = 1,069,524.62 × 398,613.32
  4. Step 4: Simplify right side
    713,988.44x = 426,326,759,599.94
  5. Step 5: Solve for x
    x = 426,326,759,599.94/713,988.44
  6. Step 6: Final answer
    x = 597,105.97

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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.