Home / 1,179,112.76-1,626,972.86-662,795.09

Finding the Fourth Proportional to 1,179,112.76, 1,626,972.86 and 662,795.09

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Solution

The fourth proportional to 1,179,112.76, 1,626,972.86 and 662,795.09 is: 914,543.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,112.76 : 1,626,972.86 = 662,795.09 : x
  2. Step 2: Convert to fraction form
    1,179,112.76/1,626,972.86 = 662,795.09/x
  3. Step 3: Cross multiply
    1,179,112.76x = 1,626,972.86 × 662,795.09
  4. Step 4: Simplify right side
    1,179,112.76x = 1,078,349,619,857.28
  5. Step 5: Solve for x
    x = 1,078,349,619,857.28/1,179,112.76
  6. Step 6: Final answer
    x = 914,543.25

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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.