Home / 1,085,412.15-1,628,195.96-286,685.73

Finding the Fourth Proportional to 1,085,412.15, 1,628,195.96 and 286,685.73

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Solution

The fourth proportional to 1,085,412.15, 1,628,195.96 and 286,685.73 is: 430,049.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,412.15 : 1,628,195.96 = 286,685.73 : x
  2. Step 2: Convert to fraction form
    1,085,412.15/1,628,195.96 = 286,685.73/x
  3. Step 3: Cross multiply
    1,085,412.15x = 1,628,195.96 × 286,685.73
  4. Step 4: Simplify right side
    1,085,412.15x = 466,780,545,942.22
  5. Step 5: Solve for x
    x = 466,780,545,942.22/1,085,412.15
  6. Step 6: Final answer
    x = 430,049.13

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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.