Home / 743,037.80-1,025,706.03-501,647.33

Finding the Fourth Proportional to 743,037.80, 1,025,706.03 and 501,647.33

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Solution

The fourth proportional to 743,037.80, 1,025,706.03 and 501,647.33 is: 692,485.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,037.80 : 1,025,706.03 = 501,647.33 : x
  2. Step 2: Convert to fraction form
    743,037.80/1,025,706.03 = 501,647.33/x
  3. Step 3: Cross multiply
    743,037.80x = 1,025,706.03 × 501,647.33
  4. Step 4: Simplify right side
    743,037.80x = 514,542,686,185.87
  5. Step 5: Solve for x
    x = 514,542,686,185.87/743,037.80
  6. Step 6: Final answer
    x = 692,485.21

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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.