Home / 1,081,949.50-1,621,869.60-451,043.74

Finding the Fourth Proportional to 1,081,949.50, 1,621,869.60 and 451,043.74

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Solution

The fourth proportional to 1,081,949.50, 1,621,869.60 and 451,043.74 is: 676,125.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,949.50 : 1,621,869.60 = 451,043.74 : x
  2. Step 2: Convert to fraction form
    1,081,949.50/1,621,869.60 = 451,043.74/x
  3. Step 3: Cross multiply
    1,081,949.50x = 1,621,869.60 × 451,043.74
  4. Step 4: Simplify right side
    1,081,949.50x = 731,534,130,176.30
  5. Step 5: Solve for x
    x = 731,534,130,176.30/1,081,949.50
  6. Step 6: Final answer
    x = 676,125.95

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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.