Home / 1,241,976.80-1,862,965.20-400,528.55

Finding the Fourth Proportional to 1,241,976.80, 1,862,965.20 and 400,528.55

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Solution

The fourth proportional to 1,241,976.80, 1,862,965.20 and 400,528.55 is: 600,792.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,976.80 : 1,862,965.20 = 400,528.55 : x
  2. Step 2: Convert to fraction form
    1,241,976.80/1,862,965.20 = 400,528.55/x
  3. Step 3: Cross multiply
    1,241,976.80x = 1,862,965.20 × 400,528.55
  4. Step 4: Simplify right side
    1,241,976.80x = 746,170,742,557.22
  5. Step 5: Solve for x
    x = 746,170,742,557.22/1,241,976.80
  6. Step 6: Final answer
    x = 600,792.82

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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.