Home / 525,402.82-788,214.96-170,389.17

Finding the Fourth Proportional to 525,402.82, 788,214.96 and 170,389.17

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Solution

The fourth proportional to 525,402.82, 788,214.96 and 170,389.17 is: 255,619.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,402.82 : 788,214.96 = 170,389.17 : x
  2. Step 2: Convert to fraction form
    525,402.82/788,214.96 = 170,389.17/x
  3. Step 3: Cross multiply
    525,402.82x = 788,214.96 × 170,389.17
  4. Step 4: Simplify right side
    525,402.82x = 134,303,292,815.98
  5. Step 5: Solve for x
    x = 134,303,292,815.98/525,402.82
  6. Step 6: Final answer
    x = 255,619.66

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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.