Home / 1,774,836.20-2,662,254.30-512,791.40

Finding the Fourth Proportional to 1,774,836.20, 2,662,254.30 and 512,791.40

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Solution

The fourth proportional to 1,774,836.20, 2,662,254.30 and 512,791.40 is: 769,187.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,836.20 : 2,662,254.30 = 512,791.40 : x
  2. Step 2: Convert to fraction form
    1,774,836.20/2,662,254.30 = 512,791.40/x
  3. Step 3: Cross multiply
    1,774,836.20x = 2,662,254.30 × 512,791.40
  4. Step 4: Simplify right side
    1,774,836.20x = 1,365,181,109,653.02
  5. Step 5: Solve for x
    x = 1,365,181,109,653.02/1,774,836.20
  6. Step 6: Final answer
    x = 769,187.10

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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.