Home / 725,684.06-1,001,396.62-403,382.23

Finding the Fourth Proportional to 725,684.06, 1,001,396.62 and 403,382.23

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Solution

The fourth proportional to 725,684.06, 1,001,396.62 and 403,382.23 is: 556,641.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,684.06 : 1,001,396.62 = 403,382.23 : x
  2. Step 2: Convert to fraction form
    725,684.06/1,001,396.62 = 403,382.23/x
  3. Step 3: Cross multiply
    725,684.06x = 1,001,396.62 × 403,382.23
  4. Step 4: Simplify right side
    725,684.06x = 403,945,599,690.80
  5. Step 5: Solve for x
    x = 403,945,599,690.80/725,684.06
  6. Step 6: Final answer
    x = 556,641.13

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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.