Home / 646,965.43-892,815.82-375,194.43

Finding the Fourth Proportional to 646,965.43, 892,815.82 and 375,194.43

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Solution

The fourth proportional to 646,965.43, 892,815.82 and 375,194.43 is: 517,770.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,965.43 : 892,815.82 = 375,194.43 : x
  2. Step 2: Convert to fraction form
    646,965.43/892,815.82 = 375,194.43/x
  3. Step 3: Cross multiply
    646,965.43x = 892,815.82 × 375,194.43
  4. Step 4: Simplify right side
    646,965.43x = 334,979,521,741.90
  5. Step 5: Solve for x
    x = 334,979,521,741.90/646,965.43
  6. Step 6: Final answer
    x = 517,770.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.