Home / 682,936.40-1,023,543.32-346,061.86

Finding the Fourth Proportional to 682,936.40, 1,023,543.32 and 346,061.86

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Solution

The fourth proportional to 682,936.40, 1,023,543.32 and 346,061.86 is: 518,656.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,936.40 : 1,023,543.32 = 346,061.86 : x
  2. Step 2: Convert to fraction form
    682,936.40/1,023,543.32 = 346,061.86/x
  3. Step 3: Cross multiply
    682,936.40x = 1,023,543.32 × 346,061.86
  4. Step 4: Simplify right side
    682,936.40x = 354,209,305,109.78
  5. Step 5: Solve for x
    x = 354,209,305,109.78/682,936.40
  6. Step 6: Final answer
    x = 518,656.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.