Home / 1,018,591.90-1,405,656.43-559,736.03

Finding the Fourth Proportional to 1,018,591.90, 1,405,656.43 and 559,736.03

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Solution

The fourth proportional to 1,018,591.90, 1,405,656.43 and 559,736.03 is: 772,435.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,591.90 : 1,405,656.43 = 559,736.03 : x
  2. Step 2: Convert to fraction form
    1,018,591.90/1,405,656.43 = 559,736.03/x
  3. Step 3: Cross multiply
    1,018,591.90x = 1,405,656.43 × 559,736.03
  4. Step 4: Simplify right side
    1,018,591.90x = 786,796,551,786.97
  5. Step 5: Solve for x
    x = 786,796,551,786.97/1,018,591.90
  6. Step 6: Final answer
    x = 772,435.51

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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.