Home / 873,263.88-1,205,103.96-486,070.94

Finding the Fourth Proportional to 873,263.88, 1,205,103.96 and 486,070.94

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Solution

The fourth proportional to 873,263.88, 1,205,103.96 and 486,070.94 is: 670,777.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,263.88 : 1,205,103.96 = 486,070.94 : x
  2. Step 2: Convert to fraction form
    873,263.88/1,205,103.96 = 486,070.94/x
  3. Step 3: Cross multiply
    873,263.88x = 1,205,103.96 × 486,070.94
  4. Step 4: Simplify right side
    873,263.88x = 585,766,014,634.92
  5. Step 5: Solve for x
    x = 585,766,014,634.92/873,263.88
  6. Step 6: Final answer
    x = 670,777.79

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1.5x scale

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.