Home / 1,219,804.64-1,683,340.41-675,949.51

Finding the Fourth Proportional to 1,219,804.64, 1,683,340.41 and 675,949.51

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Solution

The fourth proportional to 1,219,804.64, 1,683,340.41 and 675,949.51 is: 932,815.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,804.64 : 1,683,340.41 = 675,949.51 : x
  2. Step 2: Convert to fraction form
    1,219,804.64/1,683,340.41 = 675,949.51/x
  3. Step 3: Cross multiply
    1,219,804.64x = 1,683,340.41 × 675,949.51
  4. Step 4: Simplify right side
    1,219,804.64x = 1,137,853,125,302.70
  5. Step 5: Solve for x
    x = 1,137,853,125,302.70/1,219,804.64
  6. Step 6: Final answer
    x = 932,815.87

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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.