Home / 825,584.49-1,138,845.29-519,546.65

Finding the Fourth Proportional to 825,584.49, 1,138,845.29 and 519,546.65

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Solution

The fourth proportional to 825,584.49, 1,138,845.29 and 519,546.65 is: 716,684.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,584.49 : 1,138,845.29 = 519,546.65 : x
  2. Step 2: Convert to fraction form
    825,584.49/1,138,845.29 = 519,546.65/x
  3. Step 3: Cross multiply
    825,584.49x = 1,138,845.29 × 519,546.65
  4. Step 4: Simplify right side
    825,584.49x = 591,683,246,995.82
  5. Step 5: Solve for x
    x = 591,683,246,995.82/825,584.49
  6. Step 6: Final answer
    x = 716,684.06

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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.