Home / 784,509.89-1,176,764.84-548,313.89

Finding the Fourth Proportional to 784,509.89, 1,176,764.84 and 548,313.89

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Solution

The fourth proportional to 784,509.89, 1,176,764.84 and 548,313.89 is: 822,470.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,509.89 : 1,176,764.84 = 548,313.89 : x
  2. Step 2: Convert to fraction form
    784,509.89/1,176,764.84 = 548,313.89/x
  3. Step 3: Cross multiply
    784,509.89x = 1,176,764.84 × 548,313.89
  4. Step 4: Simplify right side
    784,509.89x = 645,236,498,410.23
  5. Step 5: Solve for x
    x = 645,236,498,410.23/784,509.89
  6. Step 6: Final answer
    x = 822,470.83

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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.