Home / 1,324,717.20-1,986,103.80-525,603.60

Finding the Fourth Proportional to 1,324,717.20, 1,986,103.80 and 525,603.60

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Solution

The fourth proportional to 1,324,717.20, 1,986,103.80 and 525,603.60 is: 788,019.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,717.20 : 1,986,103.80 = 525,603.60 : x
  2. Step 2: Convert to fraction form
    1,324,717.20/1,986,103.80 = 525,603.60/x
  3. Step 3: Cross multiply
    1,324,717.20x = 1,986,103.80 × 525,603.60
  4. Step 4: Simplify right side
    1,324,717.20x = 1,043,903,307,253.68
  5. Step 5: Solve for x
    x = 1,043,903,307,253.68/1,324,717.20
  6. Step 6: Final answer
    x = 788,019.74

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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.