Home / 1,111,531.60-1,533,893.56-628,086.36

Finding the Fourth Proportional to 1,111,531.60, 1,533,893.56 and 628,086.36

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Solution

The fourth proportional to 1,111,531.60, 1,533,893.56 and 628,086.36 is: 866,747.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,531.60 : 1,533,893.56 = 628,086.36 : x
  2. Step 2: Convert to fraction form
    1,111,531.60/1,533,893.56 = 628,086.36/x
  3. Step 3: Cross multiply
    1,111,531.60x = 1,533,893.56 × 628,086.36
  4. Step 4: Simplify right side
    1,111,531.60x = 963,417,622,727.84
  5. Step 5: Solve for x
    x = 963,417,622,727.84/1,111,531.60
  6. Step 6: Final answer
    x = 866,747.85

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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.