Home / 807,640.18-1,114,550.82-445,077.05

Finding the Fourth Proportional to 807,640.18, 1,114,550.82 and 445,077.05

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Solution

The fourth proportional to 807,640.18, 1,114,550.82 and 445,077.05 is: 614,210.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,640.18 : 1,114,550.82 = 445,077.05 : x
  2. Step 2: Convert to fraction form
    807,640.18/1,114,550.82 = 445,077.05/x
  3. Step 3: Cross multiply
    807,640.18x = 1,114,550.82 × 445,077.05
  4. Step 4: Simplify right side
    807,640.18x = 496,060,983,242.54
  5. Step 5: Solve for x
    x = 496,060,983,242.54/807,640.18
  6. Step 6: Final answer
    x = 614,210.39

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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.