Home / 498,529.24-688,049.34-317,051.96

Finding the Fourth Proportional to 498,529.24, 688,049.34 and 317,051.96

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Solution

The fourth proportional to 498,529.24, 688,049.34 and 317,051.96 is: 437,581.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,529.24 : 688,049.34 = 317,051.96 : x
  2. Step 2: Convert to fraction form
    498,529.24/688,049.34 = 317,051.96/x
  3. Step 3: Cross multiply
    498,529.24x = 688,049.34 × 317,051.96
  4. Step 4: Simplify right side
    498,529.24x = 218,147,391,823.71
  5. Step 5: Solve for x
    x = 218,147,391,823.71/498,529.24
  6. Step 6: Final answer
    x = 437,581.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.