Home / 726,029.20-1,086,970.20-651,379.60

Finding the Fourth Proportional to 726,029.20, 1,086,970.20 and 651,379.60

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Solution

The fourth proportional to 726,029.20, 1,086,970.20 and 651,379.60 is: 975,209.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,029.20 : 1,086,970.20 = 651,379.60 : x
  2. Step 2: Convert to fraction form
    726,029.20/1,086,970.20 = 651,379.60/x
  3. Step 3: Cross multiply
    726,029.20x = 1,086,970.20 × 651,379.60
  4. Step 4: Simplify right side
    726,029.20x = 708,030,214,087.92
  5. Step 5: Solve for x
    x = 708,030,214,087.92/726,029.20
  6. Step 6: Final answer
    x = 975,209.01

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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.