Home / 1,085,409.88-1,628,192.58-286,683.46

Finding the Fourth Proportional to 1,085,409.88, 1,628,192.58 and 286,683.46

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Solution

The fourth proportional to 1,085,409.88, 1,628,192.58 and 286,683.46 is: 430,045.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,409.88 : 1,628,192.58 = 286,683.46 : x
  2. Step 2: Convert to fraction form
    1,085,409.88/1,628,192.58 = 286,683.46/x
  3. Step 3: Cross multiply
    1,085,409.88x = 1,628,192.58 × 286,683.46
  4. Step 4: Simplify right side
    1,085,409.88x = 466,775,882,380.73
  5. Step 5: Solve for x
    x = 466,775,882,380.73/1,085,409.88
  6. Step 6: Final answer
    x = 430,045.73

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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.