Home / 1,182,816.13-1,632,334.30-666,591.78

Finding the Fourth Proportional to 1,182,816.13, 1,632,334.30 and 666,591.78

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Solution

The fourth proportional to 1,182,816.13, 1,632,334.30 and 666,591.78 is: 919,923.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,816.13 : 1,632,334.30 = 666,591.78 : x
  2. Step 2: Convert to fraction form
    1,182,816.13/1,632,334.30 = 666,591.78/x
  3. Step 3: Cross multiply
    1,182,816.13x = 1,632,334.30 × 666,591.78
  4. Step 4: Simplify right side
    1,182,816.13x = 1,088,100,620,102.77
  5. Step 5: Solve for x
    x = 1,088,100,620,102.77/1,182,816.13
  6. Step 6: Final answer
    x = 919,923.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.