Home / 1,039,639.38-1,559,458.00-391,336.64

Finding the Fourth Proportional to 1,039,639.38, 1,559,458.00 and 391,336.64

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Solution

The fourth proportional to 1,039,639.38, 1,559,458.00 and 391,336.64 is: 587,004.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,639.38 : 1,559,458.00 = 391,336.64 : x
  2. Step 2: Convert to fraction form
    1,039,639.38/1,559,458.00 = 391,336.64/x
  3. Step 3: Cross multiply
    1,039,639.38x = 1,559,458.00 × 391,336.64
  4. Step 4: Simplify right side
    1,039,639.38x = 610,273,052,480.97
  5. Step 5: Solve for x
    x = 610,273,052,480.97/1,039,639.38
  6. Step 6: Final answer
    x = 587,004.56

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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.