Home / 809,341.29-1,116,877.53-446,755.77

Finding the Fourth Proportional to 809,341.29, 1,116,877.53 and 446,755.77

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Solution

The fourth proportional to 809,341.29, 1,116,877.53 and 446,755.77 is: 616,515.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,341.29 : 1,116,877.53 = 446,755.77 : x
  2. Step 2: Convert to fraction form
    809,341.29/1,116,877.53 = 446,755.77/x
  3. Step 3: Cross multiply
    809,341.29x = 1,116,877.53 × 446,755.77
  4. Step 4: Simplify right side
    809,341.29x = 498,971,480,910.85
  5. Step 5: Solve for x
    x = 498,971,480,910.85/809,341.29
  6. Step 6: Final answer
    x = 616,515.54

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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.