Home / 1,039,606.60-1,559,993.10-440,465.80

Finding the Fourth Proportional to 1,039,606.60, 1,559,993.10 and 440,465.80

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Solution

The fourth proportional to 1,039,606.60, 1,559,993.10 and 440,465.80 is: 660,945.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,606.60 : 1,559,993.10 = 440,465.80 : x
  2. Step 2: Convert to fraction form
    1,039,606.60/1,559,993.10 = 440,465.80/x
  3. Step 3: Cross multiply
    1,039,606.60x = 1,559,993.10 × 440,465.80
  4. Step 4: Simplify right side
    1,039,606.60x = 687,123,608,785.98
  5. Step 5: Solve for x
    x = 687,123,608,785.98/1,039,606.60
  6. Step 6: Final answer
    x = 660,945.79

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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.