Home / 1,179,928.84-1,628,441.58-670,707.72

Finding the Fourth Proportional to 1,179,928.84, 1,628,441.58 and 670,707.72

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Solution

The fourth proportional to 1,179,928.84, 1,628,441.58 and 670,707.72 is: 925,656.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,928.84 : 1,628,441.58 = 670,707.72 : x
  2. Step 2: Convert to fraction form
    1,179,928.84/1,628,441.58 = 670,707.72/x
  3. Step 3: Cross multiply
    1,179,928.84x = 1,628,441.58 × 670,707.72
  4. Step 4: Simplify right side
    1,179,928.84x = 1,092,208,339,275.00
  5. Step 5: Solve for x
    x = 1,092,208,339,275.00/1,179,928.84
  6. Step 6: Final answer
    x = 925,656.11

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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.