Home / 807,768.55-1,114,675.12-445,191.30

Finding the Fourth Proportional to 807,768.55, 1,114,675.12 and 445,191.30

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Solution

The fourth proportional to 807,768.55, 1,114,675.12 and 445,191.30 is: 614,338.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,768.55 : 1,114,675.12 = 445,191.30 : x
  2. Step 2: Convert to fraction form
    807,768.55/1,114,675.12 = 445,191.30/x
  3. Step 3: Cross multiply
    807,768.55x = 1,114,675.12 × 445,191.30
  4. Step 4: Simplify right side
    807,768.55x = 496,243,659,064.10
  5. Step 5: Solve for x
    x = 496,243,659,064.10/807,768.55
  6. Step 6: Final answer
    x = 614,338.92

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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.