Home / 807,865.59-1,114,803.81-445,269.49

Finding the Fourth Proportional to 807,865.59, 1,114,803.81 and 445,269.49

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Solution

The fourth proportional to 807,865.59, 1,114,803.81 and 445,269.49 is: 614,443.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,865.59 : 1,114,803.81 = 445,269.49 : x
  2. Step 2: Convert to fraction form
    807,865.59/1,114,803.81 = 445,269.49/x
  3. Step 3: Cross multiply
    807,865.59x = 1,114,803.81 × 445,269.49
  4. Step 4: Simplify right side
    807,865.59x = 496,388,123,928.76
  5. Step 5: Solve for x
    x = 496,388,123,928.76/807,865.59
  6. Step 6: Final answer
    x = 614,443.95

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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.