Home / 1,100,777.36-1,517,666.46-712,907.42

Finding the Fourth Proportional to 1,100,777.36, 1,517,666.46 and 712,907.42

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Solution

The fourth proportional to 1,100,777.36, 1,517,666.46 and 712,907.42 is: 982,901.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,777.36 : 1,517,666.46 = 712,907.42 : x
  2. Step 2: Convert to fraction form
    1,100,777.36/1,517,666.46 = 712,907.42/x
  3. Step 3: Cross multiply
    1,100,777.36x = 1,517,666.46 × 712,907.42
  4. Step 4: Simplify right side
    1,100,777.36x = 1,081,955,680,419.13
  5. Step 5: Solve for x
    x = 1,081,955,680,419.13/1,100,777.36
  6. Step 6: Final answer
    x = 982,901.47

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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.