Home / 582,400.54-803,588.70-340,635.88

Finding the Fourth Proportional to 582,400.54, 803,588.70 and 340,635.88

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Solution

The fourth proportional to 582,400.54, 803,588.70 and 340,635.88 is: 470,004.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,400.54 : 803,588.70 = 340,635.88 : x
  2. Step 2: Convert to fraction form
    582,400.54/803,588.70 = 340,635.88/x
  3. Step 3: Cross multiply
    582,400.54x = 803,588.70 × 340,635.88
  4. Step 4: Simplify right side
    582,400.54x = 273,731,143,982.56
  5. Step 5: Solve for x
    x = 273,731,143,982.56/582,400.54
  6. Step 6: Final answer
    x = 470,004.96

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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.