Home / 1,079,424.96-1,618,854.72-321,062.46

Finding the Fourth Proportional to 1,079,424.96, 1,618,854.72 and 321,062.46

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Solution

The fourth proportional to 1,079,424.96, 1,618,854.72 and 321,062.46 is: 481,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,424.96 : 1,618,854.72 = 321,062.46 : x
  2. Step 2: Convert to fraction form
    1,079,424.96/1,618,854.72 = 321,062.46/x
  3. Step 3: Cross multiply
    1,079,424.96x = 1,618,854.72 × 321,062.46
  4. Step 4: Simplify right side
    1,079,424.96x = 519,753,478,785.81
  5. Step 5: Solve for x
    x = 519,753,478,785.81/1,079,424.96
  6. Step 6: Final answer
    x = 481,509.60

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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.