Home / 1,092,898.60-1,639,347.90-1,085,900.20

Finding the Fourth Proportional to 1,092,898.60, 1,639,347.90 and 1,085,900.20

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Solution

The fourth proportional to 1,092,898.60, 1,639,347.90 and 1,085,900.20 is: 1,628,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,898.60 : 1,639,347.90 = 1,085,900.20 : x
  2. Step 2: Convert to fraction form
    1,092,898.60/1,639,347.90 = 1,085,900.20/x
  3. Step 3: Cross multiply
    1,092,898.60x = 1,639,347.90 × 1,085,900.20
  4. Step 4: Simplify right side
    1,092,898.60x = 1,780,168,212,479.58
  5. Step 5: Solve for x
    x = 1,780,168,212,479.58/1,092,898.60
  6. Step 6: Final answer
    x = 1,628,850.30

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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.