Home / 525,814.74-788,377.05-188,686.26

Finding the Fourth Proportional to 525,814.74, 788,377.05 and 188,686.26

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Solution

The fourth proportional to 525,814.74, 788,377.05 and 188,686.26 is: 282,905.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,814.74 : 788,377.05 = 188,686.26 : x
  2. Step 2: Convert to fraction form
    525,814.74/788,377.05 = 188,686.26/x
  3. Step 3: Cross multiply
    525,814.74x = 788,377.05 × 188,686.26
  4. Step 4: Simplify right side
    525,814.74x = 148,755,917,034.33
  5. Step 5: Solve for x
    x = 148,755,917,034.33/525,814.74
  6. Step 6: Final answer
    x = 282,905.57

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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.