Home / 1,068,679.40-1,601,658.30-436,879.40

Finding the Fourth Proportional to 1,068,679.40, 1,601,658.30 and 436,879.40

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Solution

The fourth proportional to 1,068,679.40, 1,601,658.30 and 436,879.40 is: 654,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,679.40 : 1,601,658.30 = 436,879.40 : x
  2. Step 2: Convert to fraction form
    1,068,679.40/1,601,658.30 = 436,879.40/x
  3. Step 3: Cross multiply
    1,068,679.40x = 1,601,658.30 × 436,879.40
  4. Step 4: Simplify right side
    1,068,679.40x = 699,731,517,109.02
  5. Step 5: Solve for x
    x = 699,731,517,109.02/1,068,679.40
  6. Step 6: Final answer
    x = 654,762.80

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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.