Home / 809,290.96-1,116,821.58-446,714.92

Finding the Fourth Proportional to 809,290.96, 1,116,821.58 and 446,714.92

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Solution

The fourth proportional to 809,290.96, 1,116,821.58 and 446,714.92 is: 616,466.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,290.96 : 1,116,821.58 = 446,714.92 : x
  2. Step 2: Convert to fraction form
    809,290.96/1,116,821.58 = 446,714.92/x
  3. Step 3: Cross multiply
    809,290.96x = 1,116,821.58 × 446,714.92
  4. Step 4: Simplify right side
    809,290.96x = 498,900,862,763.97
  5. Step 5: Solve for x
    x = 498,900,862,763.97/809,290.96
  6. Step 6: Final answer
    x = 616,466.62

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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.