Home / 791,682.37-1,189,168.61-640,050.84

Finding the Fourth Proportional to 791,682.37, 1,189,168.61 and 640,050.84

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Solution

The fourth proportional to 791,682.37, 1,189,168.61 and 640,050.84 is: 961,406.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,682.37 : 1,189,168.61 = 640,050.84 : x
  2. Step 2: Convert to fraction form
    791,682.37/1,189,168.61 = 640,050.84/x
  3. Step 3: Cross multiply
    791,682.37x = 1,189,168.61 × 640,050.84
  4. Step 4: Simplify right side
    791,682.37x = 761,128,367,732.13
  5. Step 5: Solve for x
    x = 761,128,367,732.13/791,682.37
  6. Step 6: Final answer
    x = 961,406.24

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1.5x scale

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.