Home / 525,947.06-788,920.80-126,587.83

Finding the Fourth Proportional to 525,947.06, 788,920.80 and 126,587.83

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Solution

The fourth proportional to 525,947.06, 788,920.80 and 126,587.83 is: 189,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,947.06 : 788,920.80 = 126,587.83 : x
  2. Step 2: Convert to fraction form
    525,947.06/788,920.80 = 126,587.83/x
  3. Step 3: Cross multiply
    525,947.06x = 788,920.80 × 126,587.83
  4. Step 4: Simplify right side
    525,947.06x = 99,867,771,858.14
  5. Step 5: Solve for x
    x = 99,867,771,858.14/525,947.06
  6. Step 6: Final answer
    x = 189,881.80

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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.