Home / 807,772.94-1,114,681.14-445,195.67

Finding the Fourth Proportional to 807,772.94, 1,114,681.14 and 445,195.67

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Solution

The fourth proportional to 807,772.94, 1,114,681.14 and 445,195.67 is: 614,344.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,772.94 : 1,114,681.14 = 445,195.67 : x
  2. Step 2: Convert to fraction form
    807,772.94/1,114,681.14 = 445,195.67/x
  3. Step 3: Cross multiply
    807,772.94x = 1,114,681.14 × 445,195.67
  4. Step 4: Simplify right side
    807,772.94x = 496,251,216,958.66
  5. Step 5: Solve for x
    x = 496,251,216,958.66/807,772.94
  6. Step 6: Final answer
    x = 614,344.94

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Double scale
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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.