Home / 1,284,151.60-1,925,773.80-442,507.60

Finding the Fourth Proportional to 1,284,151.60, 1,925,773.80 and 442,507.60

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Solution

The fourth proportional to 1,284,151.60, 1,925,773.80 and 442,507.60 is: 663,605.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,151.60 : 1,925,773.80 = 442,507.60 : x
  2. Step 2: Convert to fraction form
    1,284,151.60/1,925,773.80 = 442,507.60/x
  3. Step 3: Cross multiply
    1,284,151.60x = 1,925,773.80 × 442,507.60
  4. Step 4: Simplify right side
    1,284,151.60x = 852,169,542,380.88
  5. Step 5: Solve for x
    x = 852,169,542,380.88/1,284,151.60
  6. Step 6: Final answer
    x = 663,605.09

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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.