Home / 1,093,432.80-1,639,371.60-419,253.60

Finding the Fourth Proportional to 1,093,432.80, 1,639,371.60 and 419,253.60

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Solution

The fourth proportional to 1,093,432.80, 1,639,371.60 and 419,253.60 is: 628,582.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,432.80 : 1,639,371.60 = 419,253.60 : x
  2. Step 2: Convert to fraction form
    1,093,432.80/1,639,371.60 = 419,253.60/x
  3. Step 3: Cross multiply
    1,093,432.80x = 1,639,371.60 × 419,253.60
  4. Step 4: Simplify right side
    1,093,432.80x = 687,312,445,037.76
  5. Step 5: Solve for x
    x = 687,312,445,037.76/1,093,432.80
  6. Step 6: Final answer
    x = 628,582.25

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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.