Home / 789,371.57-1,182,039.84-433,995.01

Finding the Fourth Proportional to 789,371.57, 1,182,039.84 and 433,995.01

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Solution

The fourth proportional to 789,371.57, 1,182,039.84 and 433,995.01 is: 649,883.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,371.57 : 1,182,039.84 = 433,995.01 : x
  2. Step 2: Convert to fraction form
    789,371.57/1,182,039.84 = 433,995.01/x
  3. Step 3: Cross multiply
    789,371.57x = 1,182,039.84 × 433,995.01
  4. Step 4: Simplify right side
    789,371.57x = 512,999,389,226.10
  5. Step 5: Solve for x
    x = 512,999,389,226.10/789,371.57
  6. Step 6: Final answer
    x = 649,883.28

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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.