Home / 525,762.12-788,569.07-170,780.43

Finding the Fourth Proportional to 525,762.12, 788,569.07 and 170,780.43

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Solution

The fourth proportional to 525,762.12, 788,569.07 and 170,780.43 is: 256,146.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,762.12 : 788,569.07 = 170,780.43 : x
  2. Step 2: Convert to fraction form
    525,762.12/788,569.07 = 170,780.43/x
  3. Step 3: Cross multiply
    525,762.12x = 788,569.07 × 170,780.43
  4. Step 4: Simplify right side
    525,762.12x = 134,672,164,005.40
  5. Step 5: Solve for x
    x = 134,672,164,005.40/525,762.12
  6. Step 6: Final answer
    x = 256,146.57

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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.