Home / 734,020.20-1,012,318.02-475,662.60

Finding the Fourth Proportional to 734,020.20, 1,012,318.02 and 475,662.60

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Solution

The fourth proportional to 734,020.20, 1,012,318.02 and 475,662.60 is: 656,006.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,020.20 : 1,012,318.02 = 475,662.60 : x
  2. Step 2: Convert to fraction form
    734,020.20/1,012,318.02 = 475,662.60/x
  3. Step 3: Cross multiply
    734,020.20x = 1,012,318.02 × 475,662.60
  4. Step 4: Simplify right side
    734,020.20x = 481,521,821,420.05
  5. Step 5: Solve for x
    x = 481,521,821,420.05/734,020.20
  6. Step 6: Final answer
    x = 656,006.23

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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.