Home / 1,284,887.28-1,773,070.17-711,893.28

Finding the Fourth Proportional to 1,284,887.28, 1,773,070.17 and 711,893.28

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Solution

The fourth proportional to 1,284,887.28, 1,773,070.17 and 711,893.28 is: 982,371.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,887.28 : 1,773,070.17 = 711,893.28 : x
  2. Step 2: Convert to fraction form
    1,284,887.28/1,773,070.17 = 711,893.28/x
  3. Step 3: Cross multiply
    1,284,887.28x = 1,773,070.17 × 711,893.28
  4. Step 4: Simplify right side
    1,284,887.28x = 1,262,236,738,991.46
  5. Step 5: Solve for x
    x = 1,262,236,738,991.46/1,284,887.28
  6. Step 6: Final answer
    x = 982,371.57

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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.