Home / 649,530.80-973,259.40-543,777.20

Finding the Fourth Proportional to 649,530.80, 973,259.40 and 543,777.20

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Solution

The fourth proportional to 649,530.80, 973,259.40 and 543,777.20 is: 814,797.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,530.80 : 973,259.40 = 543,777.20 : x
  2. Step 2: Convert to fraction form
    649,530.80/973,259.40 = 543,777.20/x
  3. Step 3: Cross multiply
    649,530.80x = 973,259.40 × 543,777.20
  4. Step 4: Simplify right side
    649,530.80x = 529,236,271,405.68
  5. Step 5: Solve for x
    x = 529,236,271,405.68/649,530.80
  6. Step 6: Final answer
    x = 814,797.81

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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.