Home / 1,688,512.75-2,330,151.43-914,151.73

Finding the Fourth Proportional to 1,688,512.75, 2,330,151.43 and 914,151.73

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Solution

The fourth proportional to 1,688,512.75, 2,330,151.43 and 914,151.73 is: 1,261,531.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,512.75 : 2,330,151.43 = 914,151.73 : x
  2. Step 2: Convert to fraction form
    1,688,512.75/2,330,151.43 = 914,151.73/x
  3. Step 3: Cross multiply
    1,688,512.75x = 2,330,151.43 × 914,151.73
  4. Step 4: Simplify right side
    1,688,512.75x = 2,130,111,960,896.47
  5. Step 5: Solve for x
    x = 2,130,111,960,896.47/1,688,512.75
  6. Step 6: Final answer
    x = 1,261,531.46

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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.