Home / 1,111,540.10-1,533,905.30-628,094.84

Finding the Fourth Proportional to 1,111,540.10, 1,533,905.30 and 628,094.84

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Solution

The fourth proportional to 1,111,540.10, 1,533,905.30 and 628,094.84 is: 866,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,540.10 : 1,533,905.30 = 628,094.84 : x
  2. Step 2: Convert to fraction form
    1,111,540.10/1,533,905.30 = 628,094.84/x
  3. Step 3: Cross multiply
    1,111,540.10x = 1,533,905.30 × 628,094.84
  4. Step 4: Simplify right side
    1,111,540.10x = 963,437,997,879.36
  5. Step 5: Solve for x
    x = 963,437,997,879.36/1,111,540.10
  6. Step 6: Final answer
    x = 866,759.55

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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.