Home / 725,814.90-1,001,567.79-403,505.37

Finding the Fourth Proportional to 725,814.90, 1,001,567.79 and 403,505.37

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Solution

The fourth proportional to 725,814.90, 1,001,567.79 and 403,505.37 is: 556,805.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,814.90 : 1,001,567.79 = 403,505.37 : x
  2. Step 2: Convert to fraction form
    725,814.90/1,001,567.79 = 403,505.37/x
  3. Step 3: Cross multiply
    725,814.90x = 1,001,567.79 × 403,505.37
  4. Step 4: Simplify right side
    725,814.90x = 404,137,981,684.03
  5. Step 5: Solve for x
    x = 404,137,981,684.03/725,814.90
  6. Step 6: Final answer
    x = 556,805.85

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1.5x scale

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.