Home / 1,052,105.32-1,578,391.86-490,833.64

Finding the Fourth Proportional to 1,052,105.32, 1,578,391.86 and 490,833.64

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Solution

The fourth proportional to 1,052,105.32, 1,578,391.86 and 490,833.64 is: 736,359.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,105.32 : 1,578,391.86 = 490,833.64 : x
  2. Step 2: Convert to fraction form
    1,052,105.32/1,578,391.86 = 490,833.64/x
  3. Step 3: Cross multiply
    1,052,105.32x = 1,578,391.86 × 490,833.64
  4. Step 4: Simplify right side
    1,052,105.32x = 774,727,821,990.17
  5. Step 5: Solve for x
    x = 774,727,821,990.17/1,052,105.32
  6. Step 6: Final answer
    x = 736,359.57

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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.