Home / 1,283,553.27-1,771,291.40-739,489.23

Finding the Fourth Proportional to 1,283,553.27, 1,771,291.40 and 739,489.23

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Solution

The fourth proportional to 1,283,553.27, 1,771,291.40 and 739,489.23 is: 1,020,488.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,553.27 : 1,771,291.40 = 739,489.23 : x
  2. Step 2: Convert to fraction form
    1,283,553.27/1,771,291.40 = 739,489.23/x
  3. Step 3: Cross multiply
    1,283,553.27x = 1,771,291.40 × 739,489.23
  4. Step 4: Simplify right side
    1,283,553.27x = 1,309,850,909,794.18
  5. Step 5: Solve for x
    x = 1,309,850,909,794.18/1,283,553.27
  6. Step 6: Final answer
    x = 1,020,488.16

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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.