Home / 1,223,728.80-1,835,593.20-774,956.40

Finding the Fourth Proportional to 1,223,728.80, 1,835,593.20 and 774,956.40

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Solution

The fourth proportional to 1,223,728.80, 1,835,593.20 and 774,956.40 is: 1,162,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,728.80 : 1,835,593.20 = 774,956.40 : x
  2. Step 2: Convert to fraction form
    1,223,728.80/1,835,593.20 = 774,956.40/x
  3. Step 3: Cross multiply
    1,223,728.80x = 1,835,593.20 × 774,956.40
  4. Step 4: Simplify right side
    1,223,728.80x = 1,422,504,698,136.48
  5. Step 5: Solve for x
    x = 1,422,504,698,136.48/1,223,728.80
  6. Step 6: Final answer
    x = 1,162,434.60

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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.