Home / 1,188,887.25-1,782,956.52-389,983.17

Finding the Fourth Proportional to 1,188,887.25, 1,782,956.52 and 389,983.17

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Solution

The fourth proportional to 1,188,887.25, 1,782,956.52 and 389,983.17 is: 584,851.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,887.25 : 1,782,956.52 = 389,983.17 : x
  2. Step 2: Convert to fraction form
    1,188,887.25/1,782,956.52 = 389,983.17/x
  3. Step 3: Cross multiply
    1,188,887.25x = 1,782,956.52 × 389,983.17
  4. Step 4: Simplify right side
    1,188,887.25x = 695,323,035,641.77
  5. Step 5: Solve for x
    x = 695,323,035,641.77/1,188,887.25
  6. Step 6: Final answer
    x = 584,851.96

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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.