Home / 1,239,412.60-1,858,520.51-519,560.95

Finding the Fourth Proportional to 1,239,412.60, 1,858,520.51 and 519,560.95

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Solution

The fourth proportional to 1,239,412.60, 1,858,520.51 and 519,560.95 is: 779,090.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,412.60 : 1,858,520.51 = 519,560.95 : x
  2. Step 2: Convert to fraction form
    1,239,412.60/1,858,520.51 = 519,560.95/x
  3. Step 3: Cross multiply
    1,239,412.60x = 1,858,520.51 × 519,560.95
  4. Step 4: Simplify right side
    1,239,412.60x = 965,614,680,933.24
  5. Step 5: Solve for x
    x = 965,614,680,933.24/1,239,412.60
  6. Step 6: Final answer
    x = 779,090.58

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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.