Home / 809,331.53-1,116,877.72-446,755.63

Finding the Fourth Proportional to 809,331.53, 1,116,877.72 and 446,755.63

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Solution

The fourth proportional to 809,331.53, 1,116,877.72 and 446,755.63 is: 616,522.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,331.53 : 1,116,877.72 = 446,755.63 : x
  2. Step 2: Convert to fraction form
    809,331.53/1,116,877.72 = 446,755.63/x
  3. Step 3: Cross multiply
    809,331.53x = 1,116,877.72 × 446,755.63
  4. Step 4: Simplify right side
    809,331.53x = 498,971,407,197.79
  5. Step 5: Solve for x
    x = 498,971,407,197.79/809,331.53
  6. Step 6: Final answer
    x = 616,522.89

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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.