Home / 730,689.00-1,008,309.94-403,982.98

Finding the Fourth Proportional to 730,689.00, 1,008,309.94 and 403,982.98

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Solution

The fourth proportional to 730,689.00, 1,008,309.94 and 403,982.98 is: 557,473.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,689.00 : 1,008,309.94 = 403,982.98 : x
  2. Step 2: Convert to fraction form
    730,689.00/1,008,309.94 = 403,982.98/x
  3. Step 3: Cross multiply
    730,689.00x = 1,008,309.94 × 403,982.98
  4. Step 4: Simplify right side
    730,689.00x = 407,340,057,178.26
  5. Step 5: Solve for x
    x = 407,340,057,178.26/730,689.00
  6. Step 6: Final answer
    x = 557,473.91

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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.