Home / 725,858.82-1,001,710.40-403,582.50

Finding the Fourth Proportional to 725,858.82, 1,001,710.40 and 403,582.50

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Solution

The fourth proportional to 725,858.82, 1,001,710.40 and 403,582.50 is: 556,957.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,858.82 : 1,001,710.40 = 403,582.50 : x
  2. Step 2: Convert to fraction form
    725,858.82/1,001,710.40 = 403,582.50/x
  3. Step 3: Cross multiply
    725,858.82x = 1,001,710.40 × 403,582.50
  4. Step 4: Simplify right side
    725,858.82x = 404,272,785,490.09
  5. Step 5: Solve for x
    x = 404,272,785,490.09/725,858.82
  6. Step 6: Final answer
    x = 556,957.87

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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.