Home / 1,192,112.96-1,645,065.86-675,901.58

Finding the Fourth Proportional to 1,192,112.96, 1,645,065.86 and 675,901.58

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Solution

The fourth proportional to 1,192,112.96, 1,645,065.86 and 675,901.58 is: 932,715.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,112.96 : 1,645,065.86 = 675,901.58 : x
  2. Step 2: Convert to fraction form
    1,192,112.96/1,645,065.86 = 675,901.58/x
  3. Step 3: Cross multiply
    1,192,112.96x = 1,645,065.86 × 675,901.58
  4. Step 4: Simplify right side
    1,192,112.96x = 1,111,902,602,373.22
  5. Step 5: Solve for x
    x = 1,111,902,602,373.22/1,192,112.96
  6. Step 6: Final answer
    x = 932,715.81

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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.