Home / 1,403,517.88-1,936,866.28-774,881.82

Finding the Fourth Proportional to 1,403,517.88, 1,936,866.28 and 774,881.82

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Solution

The fourth proportional to 1,403,517.88, 1,936,866.28 and 774,881.82 is: 1,069,343.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,517.88 : 1,936,866.28 = 774,881.82 : x
  2. Step 2: Convert to fraction form
    1,403,517.88/1,936,866.28 = 774,881.82/x
  3. Step 3: Cross multiply
    1,403,517.88x = 1,936,866.28 × 774,881.82
  4. Step 4: Simplify right side
    1,403,517.88x = 1,500,842,462,211.29
  5. Step 5: Solve for x
    x = 1,500,842,462,211.29/1,403,517.88
  6. Step 6: Final answer
    x = 1,069,343.31

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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.