Home / 807,605.52-1,114,544.40-445,028.76

Finding the Fourth Proportional to 807,605.52, 1,114,544.40 and 445,028.76

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Solution

The fourth proportional to 807,605.52, 1,114,544.40 and 445,028.76 is: 614,166.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,605.52 : 1,114,544.40 = 445,028.76 : x
  2. Step 2: Convert to fraction form
    807,605.52/1,114,544.40 = 445,028.76/x
  3. Step 3: Cross multiply
    807,605.52x = 1,114,544.40 × 445,028.76
  4. Step 4: Simplify right side
    807,605.52x = 496,004,312,296.94
  5. Step 5: Solve for x
    x = 496,004,312,296.94/807,605.52
  6. Step 6: Final answer
    x = 614,166.57

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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.