Home / 1,179,509.28-1,768,921.13-459,690.73

Finding the Fourth Proportional to 1,179,509.28, 1,768,921.13 and 459,690.73

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Solution

The fourth proportional to 1,179,509.28, 1,768,921.13 and 459,690.73 is: 689,402.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,509.28 : 1,768,921.13 = 459,690.73 : x
  2. Step 2: Convert to fraction form
    1,179,509.28/1,768,921.13 = 459,690.73/x
  3. Step 3: Cross multiply
    1,179,509.28x = 1,768,921.13 × 459,690.73
  4. Step 4: Simplify right side
    1,179,509.28x = 813,156,642,289.05
  5. Step 5: Solve for x
    x = 813,156,642,289.05/1,179,509.28
  6. Step 6: Final answer
    x = 689,402.50

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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.