Home / 873,261.87-1,205,101.20-486,068.94

Finding the Fourth Proportional to 873,261.87, 1,205,101.20 and 486,068.94

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Solution

The fourth proportional to 873,261.87, 1,205,101.20 and 486,068.94 is: 670,775.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,261.87 : 1,205,101.20 = 486,068.94 : x
  2. Step 2: Convert to fraction form
    873,261.87/1,205,101.20 = 486,068.94/x
  3. Step 3: Cross multiply
    873,261.87x = 1,205,101.20 × 486,068.94
  4. Step 4: Simplify right side
    873,261.87x = 585,762,262,876.73
  5. Step 5: Solve for x
    x = 585,762,262,876.73/873,261.87
  6. Step 6: Final answer
    x = 670,775.04

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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.