Home / 1,091,221.88-1,505,886.65-632,602.35

Finding the Fourth Proportional to 1,091,221.88, 1,505,886.65 and 632,602.35

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Solution

The fourth proportional to 1,091,221.88, 1,505,886.65 and 632,602.35 is: 872,991.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,221.88 : 1,505,886.65 = 632,602.35 : x
  2. Step 2: Convert to fraction form
    1,091,221.88/1,505,886.65 = 632,602.35/x
  3. Step 3: Cross multiply
    1,091,221.88x = 1,505,886.65 × 632,602.35
  4. Step 4: Simplify right side
    1,091,221.88x = 952,627,430,460.62
  5. Step 5: Solve for x
    x = 952,627,430,460.62/1,091,221.88
  6. Step 6: Final answer
    x = 872,991.51

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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.