Home / 808,634.10-1,211,201.55-525,198.90

Finding the Fourth Proportional to 808,634.10, 1,211,201.55 and 525,198.90

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Solution

The fourth proportional to 808,634.10, 1,211,201.55 and 525,198.90 is: 786,662.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,634.10 : 1,211,201.55 = 525,198.90 : x
  2. Step 2: Convert to fraction form
    808,634.10/1,211,201.55 = 525,198.90/x
  3. Step 3: Cross multiply
    808,634.10x = 1,211,201.55 × 525,198.90
  4. Step 4: Simplify right side
    808,634.10x = 636,121,721,738.30
  5. Step 5: Solve for x
    x = 636,121,721,738.30/808,634.10
  6. Step 6: Final answer
    x = 786,662.00

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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.