Home / 646,317.26-968,976.36-326,304.42

Finding the Fourth Proportional to 646,317.26, 968,976.36 and 326,304.42

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Solution

The fourth proportional to 646,317.26, 968,976.36 and 326,304.42 is: 489,204.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,317.26 : 968,976.36 = 326,304.42 : x
  2. Step 2: Convert to fraction form
    646,317.26/968,976.36 = 326,304.42/x
  3. Step 3: Cross multiply
    646,317.26x = 968,976.36 × 326,304.42
  4. Step 4: Simplify right side
    646,317.26x = 316,181,269,143.51
  5. Step 5: Solve for x
    x = 316,181,269,143.51/646,317.26
  6. Step 6: Final answer
    x = 489,204.43

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1.5x scale

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.