Home / 756,639.68-1,044,165.92-417,100.48

Finding the Fourth Proportional to 756,639.68, 1,044,165.92 and 417,100.48

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Solution

The fourth proportional to 756,639.68, 1,044,165.92 and 417,100.48 is: 575,600.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,639.68 : 1,044,165.92 = 417,100.48 : x
  2. Step 2: Convert to fraction form
    756,639.68/1,044,165.92 = 417,100.48/x
  3. Step 3: Cross multiply
    756,639.68x = 1,044,165.92 × 417,100.48
  4. Step 4: Simplify right side
    756,639.68x = 435,522,106,431.64
  5. Step 5: Solve for x
    x = 435,522,106,431.64/756,639.68
  6. Step 6: Final answer
    x = 575,600.41

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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.