Home / 782,977.60-1,086,052.72-756,124.48

Finding the Fourth Proportional to 782,977.60, 1,086,052.72 and 756,124.48

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Solution

The fourth proportional to 782,977.60, 1,086,052.72 and 756,124.48 is: 1,048,805.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,977.60 : 1,086,052.72 = 756,124.48 : x
  2. Step 2: Convert to fraction form
    782,977.60/1,086,052.72 = 756,124.48/x
  3. Step 3: Cross multiply
    782,977.60x = 1,086,052.72 × 756,124.48
  4. Step 4: Simplify right side
    782,977.60x = 821,191,048,162.59
  5. Step 5: Solve for x
    x = 821,191,048,162.59/782,977.60
  6. Step 6: Final answer
    x = 1,048,805.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.