Home / 809,416.41-1,116,996.30-446,840.77

Finding the Fourth Proportional to 809,416.41, 1,116,996.30 and 446,840.77

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Solution

The fourth proportional to 809,416.41, 1,116,996.30 and 446,840.77 is: 616,641.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,416.41 : 1,116,996.30 = 446,840.77 : x
  2. Step 2: Convert to fraction form
    809,416.41/1,116,996.30 = 446,840.77/x
  3. Step 3: Cross multiply
    809,416.41x = 1,116,996.30 × 446,840.77
  4. Step 4: Simplify right side
    809,416.41x = 499,119,483,986.66
  5. Step 5: Solve for x
    x = 499,119,483,986.66/809,416.41
  6. Step 6: Final answer
    x = 616,641.17

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Double scale
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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.