Home / 1,156,309.53-1,595,687.82-640,052.36

Finding the Fourth Proportional to 1,156,309.53, 1,595,687.82 and 640,052.36

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Solution

The fourth proportional to 1,156,309.53, 1,595,687.82 and 640,052.36 is: 883,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,309.53 : 1,595,687.82 = 640,052.36 : x
  2. Step 2: Convert to fraction form
    1,156,309.53/1,595,687.82 = 640,052.36/x
  3. Step 3: Cross multiply
    1,156,309.53x = 1,595,687.82 × 640,052.36
  4. Step 4: Simplify right side
    1,156,309.53x = 1,021,323,747,035.82
  5. Step 5: Solve for x
    x = 1,021,323,747,035.82/1,156,309.53
  6. Step 6: Final answer
    x = 883,261.55

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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.