Home / 1,418,994.10-2,129,155.45-620,171.84

Finding the Fourth Proportional to 1,418,994.10, 2,129,155.45 and 620,171.84

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Solution

The fourth proportional to 1,418,994.10, 2,129,155.45 and 620,171.84 is: 930,548.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,994.10 : 2,129,155.45 = 620,171.84 : x
  2. Step 2: Convert to fraction form
    1,418,994.10/2,129,155.45 = 620,171.84/x
  3. Step 3: Cross multiply
    1,418,994.10x = 2,129,155.45 × 620,171.84
  4. Step 4: Simplify right side
    1,418,994.10x = 1,320,442,260,837.15
  5. Step 5: Solve for x
    x = 1,320,442,260,837.15/1,418,994.10
  6. Step 6: Final answer
    x = 930,548.10

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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.