Home / 756,708.75-1,043,667.32-484,801.88

Finding the Fourth Proportional to 756,708.75, 1,043,667.32 and 484,801.88

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Solution

The fourth proportional to 756,708.75, 1,043,667.32 and 484,801.88 is: 668,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,708.75 : 1,043,667.32 = 484,801.88 : x
  2. Step 2: Convert to fraction form
    756,708.75/1,043,667.32 = 484,801.88/x
  3. Step 3: Cross multiply
    756,708.75x = 1,043,667.32 × 484,801.88
  4. Step 4: Simplify right side
    756,708.75x = 505,971,871,188.22
  5. Step 5: Solve for x
    x = 505,971,871,188.22/756,708.75
  6. Step 6: Final answer
    x = 668,648.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.