Home / 1,187,577.44-1,781,978.64-556,555.36

Finding the Fourth Proportional to 1,187,577.44, 1,781,978.64 and 556,555.36

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Solution

The fourth proportional to 1,187,577.44, 1,781,978.64 and 556,555.36 is: 835,120.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,577.44 : 1,781,978.64 = 556,555.36 : x
  2. Step 2: Convert to fraction form
    1,187,577.44/1,781,978.64 = 556,555.36/x
  3. Step 3: Cross multiply
    1,187,577.44x = 1,781,978.64 × 556,555.36
  4. Step 4: Simplify right side
    1,187,577.44x = 991,769,763,497.51
  5. Step 5: Solve for x
    x = 991,769,763,497.51/1,187,577.44
  6. Step 6: Final answer
    x = 835,120.08

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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.