Home / 739,513.60-1,107,302.10-471,824.80

Finding the Fourth Proportional to 739,513.60, 1,107,302.10 and 471,824.80

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Solution

The fourth proportional to 739,513.60, 1,107,302.10 and 471,824.80 is: 706,481.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,513.60 : 1,107,302.10 = 471,824.80 : x
  2. Step 2: Convert to fraction form
    739,513.60/1,107,302.10 = 471,824.80/x
  3. Step 3: Cross multiply
    739,513.60x = 1,107,302.10 × 471,824.80
  4. Step 4: Simplify right side
    739,513.60x = 522,452,591,872.08
  5. Step 5: Solve for x
    x = 522,452,591,872.08/739,513.60
  6. Step 6: Final answer
    x = 706,481.38

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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.