Home / 1,142,773.87-1,712,952.24-422,652.79

Finding the Fourth Proportional to 1,142,773.87, 1,712,952.24 and 422,652.79

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Solution

The fourth proportional to 1,142,773.87, 1,712,952.24 and 422,652.79 is: 633,532.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,773.87 : 1,712,952.24 = 422,652.79 : x
  2. Step 2: Convert to fraction form
    1,142,773.87/1,712,952.24 = 422,652.79/x
  3. Step 3: Cross multiply
    1,142,773.87x = 1,712,952.24 × 422,652.79
  4. Step 4: Simplify right side
    1,142,773.87x = 723,984,043,908.05
  5. Step 5: Solve for x
    x = 723,984,043,908.05/1,142,773.87
  6. Step 6: Final answer
    x = 633,532.20

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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.