Home / 959,128.83-1,323,597.92-529,409.12

Finding the Fourth Proportional to 959,128.83, 1,323,597.92 and 529,409.12

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Solution

The fourth proportional to 959,128.83, 1,323,597.92 and 529,409.12 is: 730,584.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,128.83 : 1,323,597.92 = 529,409.12 : x
  2. Step 2: Convert to fraction form
    959,128.83/1,323,597.92 = 529,409.12/x
  3. Step 3: Cross multiply
    959,128.83x = 1,323,597.92 × 529,409.12
  4. Step 4: Simplify right side
    959,128.83x = 700,724,800,796.00
  5. Step 5: Solve for x
    x = 700,724,800,796.00/959,128.83
  6. Step 6: Final answer
    x = 730,584.65

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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.