Home / 809,319.18-1,116,860.69-446,743.27

Finding the Fourth Proportional to 809,319.18, 1,116,860.69 and 446,743.27

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Solution

The fourth proportional to 809,319.18, 1,116,860.69 and 446,743.27 is: 616,505.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,319.18 : 1,116,860.69 = 446,743.27 : x
  2. Step 2: Convert to fraction form
    809,319.18/1,116,860.69 = 446,743.27/x
  3. Step 3: Cross multiply
    809,319.18x = 1,116,860.69 × 446,743.27
  4. Step 4: Simplify right side
    809,319.18x = 498,949,994,551.34
  5. Step 5: Solve for x
    x = 498,949,994,551.34/809,319.18
  6. Step 6: Final answer
    x = 616,505.84

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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.