Home / 525,917.64-788,876.41-126,558.46

Finding the Fourth Proportional to 525,917.64, 788,876.41 and 126,558.46

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Solution

The fourth proportional to 525,917.64, 788,876.41 and 126,558.46 is: 189,837.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,917.64 : 788,876.41 = 126,558.46 : x
  2. Step 2: Convert to fraction form
    525,917.64/788,876.41 = 126,558.46/x
  3. Step 3: Cross multiply
    525,917.64x = 788,876.41 × 126,558.46
  4. Step 4: Simplify right side
    525,917.64x = 99,838,983,579.93
  5. Step 5: Solve for x
    x = 99,838,983,579.93/525,917.64
  6. Step 6: Final answer
    x = 189,837.68

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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.