Home / 809,397.21-1,116,977.21-446,821.27

Finding the Fourth Proportional to 809,397.21, 1,116,977.21 and 446,821.27

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Solution

The fourth proportional to 809,397.21, 1,116,977.21 and 446,821.27 is: 616,618.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,397.21 : 1,116,977.21 = 446,821.27 : x
  2. Step 2: Convert to fraction form
    809,397.21/1,116,977.21 = 446,821.27/x
  3. Step 3: Cross multiply
    809,397.21x = 1,116,977.21 × 446,821.27
  4. Step 4: Simplify right side
    809,397.21x = 499,089,172,182.29
  5. Step 5: Solve for x
    x = 499,089,172,182.29/809,397.21
  6. Step 6: Final answer
    x = 616,618.35

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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.