Home / 809,417.41-1,116,997.68-446,841.77

Finding the Fourth Proportional to 809,417.41, 1,116,997.68 and 446,841.77

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Solution

The fourth proportional to 809,417.41, 1,116,997.68 and 446,841.77 is: 616,642.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,417.41 : 1,116,997.68 = 446,841.77 : x
  2. Step 2: Convert to fraction form
    809,417.41/1,116,997.68 = 446,841.77/x
  3. Step 3: Cross multiply
    809,417.41x = 1,116,997.68 × 446,841.77
  4. Step 4: Simplify right side
    809,417.41x = 499,121,220,417.09
  5. Step 5: Solve for x
    x = 499,121,220,417.09/809,417.41
  6. Step 6: Final answer
    x = 616,642.56

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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.