Home / 1,207,693.56-1,666,988.46-777,972.36

Finding the Fourth Proportional to 1,207,693.56, 1,666,988.46 and 777,972.36

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Solution

The fourth proportional to 1,207,693.56, 1,666,988.46 and 777,972.36 is: 1,073,841.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,693.56 : 1,666,988.46 = 777,972.36 : x
  2. Step 2: Convert to fraction form
    1,207,693.56/1,666,988.46 = 777,972.36/x
  3. Step 3: Cross multiply
    1,207,693.56x = 1,666,988.46 × 777,972.36
  4. Step 4: Simplify right side
    1,207,693.56x = 1,296,870,946,318.97
  5. Step 5: Solve for x
    x = 1,296,870,946,318.97/1,207,693.56
  6. Step 6: Final answer
    x = 1,073,841.07

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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.