Home / 756,851.28-1,044,463.01-412,684.46

Finding the Fourth Proportional to 756,851.28, 1,044,463.01 and 412,684.46

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Solution

The fourth proportional to 756,851.28, 1,044,463.01 and 412,684.46 is: 569,509.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,851.28 : 1,044,463.01 = 412,684.46 : x
  2. Step 2: Convert to fraction form
    756,851.28/1,044,463.01 = 412,684.46/x
  3. Step 3: Cross multiply
    756,851.28x = 1,044,463.01 × 412,684.46
  4. Step 4: Simplify right side
    756,851.28x = 431,033,645,986.09
  5. Step 5: Solve for x
    x = 431,033,645,986.09/756,851.28
  6. Step 6: Final answer
    x = 569,509.04

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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.