Home / 725,033.40-1,087,550.10-658,548.60

Finding the Fourth Proportional to 725,033.40, 1,087,550.10 and 658,548.60

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Solution

The fourth proportional to 725,033.40, 1,087,550.10 and 658,548.60 is: 987,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,033.40 : 1,087,550.10 = 658,548.60 : x
  2. Step 2: Convert to fraction form
    725,033.40/1,087,550.10 = 658,548.60/x
  3. Step 3: Cross multiply
    725,033.40x = 1,087,550.10 × 658,548.60
  4. Step 4: Simplify right side
    725,033.40x = 716,204,595,784.86
  5. Step 5: Solve for x
    x = 716,204,595,784.86/725,033.40
  6. Step 6: Final answer
    x = 987,822.90

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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.