Home / 1,073,185.60-1,609,195.20-442,163.20

Finding the Fourth Proportional to 1,073,185.60, 1,609,195.20 and 442,163.20

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Solution

The fourth proportional to 1,073,185.60, 1,609,195.20 and 442,163.20 is: 663,004.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,185.60 : 1,609,195.20 = 442,163.20 : x
  2. Step 2: Convert to fraction form
    1,073,185.60/1,609,195.20 = 442,163.20/x
  3. Step 3: Cross multiply
    1,073,185.60x = 1,609,195.20 × 442,163.20
  4. Step 4: Simplify right side
    1,073,185.60x = 711,526,899,056.64
  5. Step 5: Solve for x
    x = 711,526,899,056.64/1,073,185.60
  6. Step 6: Final answer
    x = 663,004.52

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Double scale
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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.