Home / 1,332,157.28-1,997,934.55-611,806.46

Finding the Fourth Proportional to 1,332,157.28, 1,997,934.55 and 611,806.46

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Solution

The fourth proportional to 1,332,157.28, 1,997,934.55 and 611,806.46 is: 917,571.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,157.28 : 1,997,934.55 = 611,806.46 : x
  2. Step 2: Convert to fraction form
    1,332,157.28/1,997,934.55 = 611,806.46/x
  3. Step 3: Cross multiply
    1,332,157.28x = 1,997,934.55 × 611,806.46
  4. Step 4: Simplify right side
    1,332,157.28x = 1,222,349,260,320.26
  5. Step 5: Solve for x
    x = 1,222,349,260,320.26/1,332,157.28
  6. Step 6: Final answer
    x = 917,571.28

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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.