Home / 1,180,515.84-1,629,108.48-643,968

Finding the Fourth Proportional to 1,180,515.84, 1,629,108.48 and 643,968

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Solution

The fourth proportional to 1,180,515.84, 1,629,108.48 and 643,968 is: 888,674.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,515.84 : 1,629,108.48 = 643,968 : x
  2. Step 2: Convert to fraction form
    1,180,515.84/1,629,108.48 = 643,968/x
  3. Step 3: Cross multiply
    1,180,515.84x = 1,629,108.48 × 643,968
  4. Step 4: Simplify right side
    1,180,515.84x = 1,049,093,729,648.64
  5. Step 5: Solve for x
    x = 1,049,093,729,648.64/1,180,515.84
  6. Step 6: Final answer
    x = 888,674.00

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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.