Home / 849,169.80-1,273,754.70-816,510.60

Finding the Fourth Proportional to 849,169.80, 1,273,754.70 and 816,510.60

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Solution

The fourth proportional to 849,169.80, 1,273,754.70 and 816,510.60 is: 1,224,765.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,169.80 : 1,273,754.70 = 816,510.60 : x
  2. Step 2: Convert to fraction form
    849,169.80/1,273,754.70 = 816,510.60/x
  3. Step 3: Cross multiply
    849,169.80x = 1,273,754.70 × 816,510.60
  4. Step 4: Simplify right side
    849,169.80x = 1,040,034,214,349.82
  5. Step 5: Solve for x
    x = 1,040,034,214,349.82/849,169.80
  6. Step 6: Final answer
    x = 1,224,765.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.