Home / 770,939.96-1,063,887.90-431,411

Finding the Fourth Proportional to 770,939.96, 1,063,887.90 and 431,411

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Solution

The fourth proportional to 770,939.96, 1,063,887.90 and 431,411 is: 595,342.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,939.96 : 1,063,887.90 = 431,411 : x
  2. Step 2: Convert to fraction form
    770,939.96/1,063,887.90 = 431,411/x
  3. Step 3: Cross multiply
    770,939.96x = 1,063,887.90 × 431,411
  4. Step 4: Simplify right side
    770,939.96x = 458,972,942,826.90
  5. Step 5: Solve for x
    x = 458,972,942,826.90/770,939.96
  6. Step 6: Final answer
    x = 595,342.01

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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.