Home / 1,519,432.41-2,279,152.48-620,874

Finding the Fourth Proportional to 1,519,432.41, 2,279,152.48 and 620,874

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Solution

The fourth proportional to 1,519,432.41, 2,279,152.48 and 620,874 is: 931,312.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,432.41 : 2,279,152.48 = 620,874 : x
  2. Step 2: Convert to fraction form
    1,519,432.41/2,279,152.48 = 620,874/x
  3. Step 3: Cross multiply
    1,519,432.41x = 2,279,152.48 × 620,874
  4. Step 4: Simplify right side
    1,519,432.41x = 1,415,066,516,867.52
  5. Step 5: Solve for x
    x = 1,415,066,516,867.52/1,519,432.41
  6. Step 6: Final answer
    x = 931,312.58

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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.