Home / 1,007,063.09-1,389,778.39-548,208.21

Finding the Fourth Proportional to 1,007,063.09, 1,389,778.39 and 548,208.21

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Solution

The fourth proportional to 1,007,063.09, 1,389,778.39 and 548,208.21 is: 756,544.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,063.09 : 1,389,778.39 = 548,208.21 : x
  2. Step 2: Convert to fraction form
    1,007,063.09/1,389,778.39 = 548,208.21/x
  3. Step 3: Cross multiply
    1,007,063.09x = 1,389,778.39 × 548,208.21
  4. Step 4: Simplify right side
    1,007,063.09x = 761,887,929,375.51
  5. Step 5: Solve for x
    x = 761,887,929,375.51/1,007,063.09
  6. Step 6: Final answer
    x = 756,544.39

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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.