Home / 1,126,931.21-1,555,086.77-668,022.06

Finding the Fourth Proportional to 1,126,931.21, 1,555,086.77 and 668,022.06

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Solution

The fourth proportional to 1,126,931.21, 1,555,086.77 and 668,022.06 is: 921,824.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,931.21 : 1,555,086.77 = 668,022.06 : x
  2. Step 2: Convert to fraction form
    1,126,931.21/1,555,086.77 = 668,022.06/x
  3. Step 3: Cross multiply
    1,126,931.21x = 1,555,086.77 × 668,022.06
  4. Step 4: Simplify right side
    1,126,931.21x = 1,038,832,264,234.04
  5. Step 5: Solve for x
    x = 1,038,832,264,234.04/1,126,931.21
  6. Step 6: Final answer
    x = 921,824.03

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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.