Home / 1,173,556.36-1,619,498.10-664,254.28

Finding the Fourth Proportional to 1,173,556.36, 1,619,498.10 and 664,254.28

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Solution

The fourth proportional to 1,173,556.36, 1,619,498.10 and 664,254.28 is: 916,665.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,556.36 : 1,619,498.10 = 664,254.28 : x
  2. Step 2: Convert to fraction form
    1,173,556.36/1,619,498.10 = 664,254.28/x
  3. Step 3: Cross multiply
    1,173,556.36x = 1,619,498.10 × 664,254.28
  4. Step 4: Simplify right side
    1,173,556.36x = 1,075,758,544,376.87
  5. Step 5: Solve for x
    x = 1,075,758,544,376.87/1,173,556.36
  6. Step 6: Final answer
    x = 916,665.43

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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.