Home / 825,989.29-1,238,836.14-525,577.50

Finding the Fourth Proportional to 825,989.29, 1,238,836.14 and 525,577.50

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Solution

The fourth proportional to 825,989.29, 1,238,836.14 and 525,577.50 is: 788,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,989.29 : 1,238,836.14 = 525,577.50 : x
  2. Step 2: Convert to fraction form
    825,989.29/1,238,836.14 = 525,577.50/x
  3. Step 3: Cross multiply
    825,989.29x = 1,238,836.14 × 525,577.50
  4. Step 4: Simplify right side
    825,989.29x = 651,104,401,370.85
  5. Step 5: Solve for x
    x = 651,104,401,370.85/825,989.29
  6. Step 6: Final answer
    x = 788,272.21

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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.