Home / 807,768.80-1,114,675.46-445,191.55

Finding the Fourth Proportional to 807,768.80, 1,114,675.46 and 445,191.55

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Solution

The fourth proportional to 807,768.80, 1,114,675.46 and 445,191.55 is: 614,339.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,768.80 : 1,114,675.46 = 445,191.55 : x
  2. Step 2: Convert to fraction form
    807,768.80/1,114,675.46 = 445,191.55/x
  3. Step 3: Cross multiply
    807,768.80x = 1,114,675.46 × 445,191.55
  4. Step 4: Simplify right side
    807,768.80x = 496,244,090,210.99
  5. Step 5: Solve for x
    x = 496,244,090,210.99/807,768.80
  6. Step 6: Final answer
    x = 614,339.26

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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.