Home / 646,955.91-970,433.87-247,719.06

Finding the Fourth Proportional to 646,955.91, 970,433.87 and 247,719.06

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Solution

The fourth proportional to 646,955.91, 970,433.87 and 247,719.06 is: 371,578.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,955.91 : 970,433.87 = 247,719.06 : x
  2. Step 2: Convert to fraction form
    646,955.91/970,433.87 = 247,719.06/x
  3. Step 3: Cross multiply
    646,955.91x = 970,433.87 × 247,719.06
  4. Step 4: Simplify right side
    646,955.91x = 240,394,964,829.97
  5. Step 5: Solve for x
    x = 240,394,964,829.97/646,955.91
  6. Step 6: Final answer
    x = 371,578.59

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Similar ratio
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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.