Home / 1,173,921.98-1,619,259.59-806,221.67

Finding the Fourth Proportional to 1,173,921.98, 1,619,259.59 and 806,221.67

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Solution

The fourth proportional to 1,173,921.98, 1,619,259.59 and 806,221.67 is: 1,112,068.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,921.98 : 1,619,259.59 = 806,221.67 : x
  2. Step 2: Convert to fraction form
    1,173,921.98/1,619,259.59 = 806,221.67/x
  3. Step 3: Cross multiply
    1,173,921.98x = 1,619,259.59 × 806,221.67
  4. Step 4: Simplify right side
    1,173,921.98x = 1,305,482,164,732.57
  5. Step 5: Solve for x
    x = 1,305,482,164,732.57/1,173,921.98
  6. Step 6: Final answer
    x = 1,112,068.94

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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.