Home / 1,185,696.91-1,777,455.51-427,352.77

Finding the Fourth Proportional to 1,185,696.91, 1,777,455.51 and 427,352.77

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Solution

The fourth proportional to 1,185,696.91, 1,777,455.51 and 427,352.77 is: 640,636.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,696.91 : 1,777,455.51 = 427,352.77 : x
  2. Step 2: Convert to fraction form
    1,185,696.91/1,777,455.51 = 427,352.77/x
  3. Step 3: Cross multiply
    1,185,696.91x = 1,777,455.51 × 427,352.77
  4. Step 4: Simplify right side
    1,185,696.91x = 759,600,535,750.26
  5. Step 5: Solve for x
    x = 759,600,535,750.26/1,185,696.91
  6. Step 6: Final answer
    x = 640,636.35

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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.