Home / 955,788.86-1,318,978.49-526,059.77

Finding the Fourth Proportional to 955,788.86, 1,318,978.49 and 526,059.77

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Solution

The fourth proportional to 955,788.86, 1,318,978.49 and 526,059.77 is: 725,956.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,788.86 : 1,318,978.49 = 526,059.77 : x
  2. Step 2: Convert to fraction form
    955,788.86/1,318,978.49 = 526,059.77/x
  3. Step 3: Cross multiply
    955,788.86x = 1,318,978.49 × 526,059.77
  4. Step 4: Simplify right side
    955,788.86x = 693,861,511,859.16
  5. Step 5: Solve for x
    x = 693,861,511,859.16/955,788.86
  6. Step 6: Final answer
    x = 725,956.89

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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.