Home / 984,133.06-1,358,107.77-554,418.34

Finding the Fourth Proportional to 984,133.06, 1,358,107.77 and 554,418.34

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Solution

The fourth proportional to 984,133.06, 1,358,107.77 and 554,418.34 is: 765,099.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,133.06 : 1,358,107.77 = 554,418.34 : x
  2. Step 2: Convert to fraction form
    984,133.06/1,358,107.77 = 554,418.34/x
  3. Step 3: Cross multiply
    984,133.06x = 1,358,107.77 × 554,418.34
  4. Step 4: Simplify right side
    984,133.06x = 752,959,855,384.50
  5. Step 5: Solve for x
    x = 752,959,855,384.50/984,133.06
  6. Step 6: Final answer
    x = 765,099.65

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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.