Home / 809,337.51-1,116,879.59-446,761.64

Finding the Fourth Proportional to 809,337.51, 1,116,879.59 and 446,761.64

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Solution

The fourth proportional to 809,337.51, 1,116,879.59 and 446,761.64 is: 616,527.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,337.51 : 1,116,879.59 = 446,761.64 : x
  2. Step 2: Convert to fraction form
    809,337.51/1,116,879.59 = 446,761.64/x
  3. Step 3: Cross multiply
    809,337.51x = 1,116,879.59 × 446,761.64
  4. Step 4: Simplify right side
    809,337.51x = 498,978,961,220.03
  5. Step 5: Solve for x
    x = 498,978,961,220.03/809,337.51
  6. Step 6: Final answer
    x = 616,527.66

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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.