Home / 775,865.45-1,163,218.35-535,292.87

Finding the Fourth Proportional to 775,865.45, 1,163,218.35 and 535,292.87

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Solution

The fourth proportional to 775,865.45, 1,163,218.35 and 535,292.87 is: 802,539.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,865.45 : 1,163,218.35 = 535,292.87 : x
  2. Step 2: Convert to fraction form
    775,865.45/1,163,218.35 = 535,292.87/x
  3. Step 3: Cross multiply
    775,865.45x = 1,163,218.35 × 535,292.87
  4. Step 4: Simplify right side
    775,865.45x = 622,662,489,008.17
  5. Step 5: Solve for x
    x = 622,662,489,008.17/775,865.45
  6. Step 6: Final answer
    x = 802,539.27

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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.