Home / 1,419,636.70-1,959,982.95-903,681.82

Finding the Fourth Proportional to 1,419,636.70, 1,959,982.95 and 903,681.82

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Solution

The fourth proportional to 1,419,636.70, 1,959,982.95 and 903,681.82 is: 1,247,643.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,636.70 : 1,959,982.95 = 903,681.82 : x
  2. Step 2: Convert to fraction form
    1,419,636.70/1,959,982.95 = 903,681.82/x
  3. Step 3: Cross multiply
    1,419,636.70x = 1,959,982.95 × 903,681.82
  4. Step 4: Simplify right side
    1,419,636.70x = 1,771,200,959,424.97
  5. Step 5: Solve for x
    x = 1,771,200,959,424.97/1,419,636.70
  6. Step 6: Final answer
    x = 1,247,643.82

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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.