Home / 1,120,639.24-1,546,485.78-611,352.28

Finding the Fourth Proportional to 1,120,639.24, 1,546,485.78 and 611,352.28

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Solution

The fourth proportional to 1,120,639.24, 1,546,485.78 and 611,352.28 is: 843,668.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,639.24 : 1,546,485.78 = 611,352.28 : x
  2. Step 2: Convert to fraction form
    1,120,639.24/1,546,485.78 = 611,352.28/x
  3. Step 3: Cross multiply
    1,120,639.24x = 1,546,485.78 × 611,352.28
  4. Step 4: Simplify right side
    1,120,639.24x = 945,447,607,590.58
  5. Step 5: Solve for x
    x = 945,447,607,590.58/1,120,639.24
  6. Step 6: Final answer
    x = 843,668.13

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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.