Home / 1,131,496.32-1,697,154.24-657,879.68

Finding the Fourth Proportional to 1,131,496.32, 1,697,154.24 and 657,879.68

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Solution

The fourth proportional to 1,131,496.32, 1,697,154.24 and 657,879.68 is: 986,767.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,496.32 : 1,697,154.24 = 657,879.68 : x
  2. Step 2: Convert to fraction form
    1,131,496.32/1,697,154.24 = 657,879.68/x
  3. Step 3: Cross multiply
    1,131,496.32x = 1,697,154.24 × 657,879.68
  4. Step 4: Simplify right side
    1,131,496.32x = 1,116,523,288,321.84
  5. Step 5: Solve for x
    x = 1,116,523,288,321.84/1,131,496.32
  6. Step 6: Final answer
    x = 986,767.05

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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.