Home / 1,111,538.07-1,533,902.48-628,092.75

Finding the Fourth Proportional to 1,111,538.07, 1,533,902.48 and 628,092.75

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Solution

The fourth proportional to 1,111,538.07, 1,533,902.48 and 628,092.75 is: 866,756.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,538.07 : 1,533,902.48 = 628,092.75 : x
  2. Step 2: Convert to fraction form
    1,111,538.07/1,533,902.48 = 628,092.75/x
  3. Step 3: Cross multiply
    1,111,538.07x = 1,533,902.48 × 628,092.75
  4. Step 4: Simplify right side
    1,111,538.07x = 963,433,023,754.56
  5. Step 5: Solve for x
    x = 963,433,023,754.56/1,111,538.07
  6. Step 6: Final answer
    x = 866,756.66

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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.