Home / 1,182,512.45-1,631,760.14-666,350.39

Finding the Fourth Proportional to 1,182,512.45, 1,631,760.14 and 666,350.39

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Solution

The fourth proportional to 1,182,512.45, 1,631,760.14 and 666,350.39 is: 919,503.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,512.45 : 1,631,760.14 = 666,350.39 : x
  2. Step 2: Convert to fraction form
    1,182,512.45/1,631,760.14 = 666,350.39/x
  3. Step 3: Cross multiply
    1,182,512.45x = 1,631,760.14 × 666,350.39
  4. Step 4: Simplify right side
    1,182,512.45x = 1,087,323,994,184.90
  5. Step 5: Solve for x
    x = 1,087,323,994,184.90/1,182,512.45
  6. Step 6: Final answer
    x = 919,503.21

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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.