Home / 530,299.13-731,812.92-291,835.13

Finding the Fourth Proportional to 530,299.13, 731,812.92 and 291,835.13

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Solution

The fourth proportional to 530,299.13, 731,812.92 and 291,835.13 is: 402,732.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,299.13 : 731,812.92 = 291,835.13 : x
  2. Step 2: Convert to fraction form
    530,299.13/731,812.92 = 291,835.13/x
  3. Step 3: Cross multiply
    530,299.13x = 731,812.92 × 291,835.13
  4. Step 4: Simplify right side
    530,299.13x = 213,568,713,525.64
  5. Step 5: Solve for x
    x = 213,568,713,525.64/530,299.13
  6. Step 6: Final answer
    x = 402,732.54

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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.