Home / 1,346,685.57-2,019,682.76-399,836.61

Finding the Fourth Proportional to 1,346,685.57, 2,019,682.76 and 399,836.61

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Solution

The fourth proportional to 1,346,685.57, 2,019,682.76 and 399,836.61 is: 599,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,685.57 : 2,019,682.76 = 399,836.61 : x
  2. Step 2: Convert to fraction form
    1,346,685.57/2,019,682.76 = 399,836.61/x
  3. Step 3: Cross multiply
    1,346,685.57x = 2,019,682.76 × 399,836.61
  4. Step 4: Simplify right side
    1,346,685.57x = 807,543,106,034.66
  5. Step 5: Solve for x
    x = 807,543,106,034.66/1,346,685.57
  6. Step 6: Final answer
    x = 599,652.30

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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.