Home / 981,467.95-1,355,458.37-874,480.62

Finding the Fourth Proportional to 981,467.95, 1,355,458.37 and 874,480.62

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Solution

The fourth proportional to 981,467.95, 1,355,458.37 and 874,480.62 is: 1,207,703.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,467.95 : 1,355,458.37 = 874,480.62 : x
  2. Step 2: Convert to fraction form
    981,467.95/1,355,458.37 = 874,480.62/x
  3. Step 3: Cross multiply
    981,467.95x = 1,355,458.37 × 874,480.62
  4. Step 4: Simplify right side
    981,467.95x = 1,185,322,075,781.79
  5. Step 5: Solve for x
    x = 1,185,322,075,781.79/981,467.95
  6. Step 6: Final answer
    x = 1,207,703.29

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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.