Home / 1,128,941.12-1,693,706.76-655,171.04

Finding the Fourth Proportional to 1,128,941.12, 1,693,706.76 and 655,171.04

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Solution

The fourth proportional to 1,128,941.12, 1,693,706.76 and 655,171.04 is: 982,927.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,941.12 : 1,693,706.76 = 655,171.04 : x
  2. Step 2: Convert to fraction form
    1,128,941.12/1,693,706.76 = 655,171.04/x
  3. Step 3: Cross multiply
    1,128,941.12x = 1,693,706.76 × 655,171.04
  4. Step 4: Simplify right side
    1,128,941.12x = 1,109,667,619,404.23
  5. Step 5: Solve for x
    x = 1,109,667,619,404.23/1,128,941.12
  6. Step 6: Final answer
    x = 982,927.81

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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.