Home / 529,962.96-731,348.36-303,609.36

Finding the Fourth Proportional to 529,962.96, 731,348.36 and 303,609.36

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Solution

The fourth proportional to 529,962.96, 731,348.36 and 303,609.36 is: 418,980.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,962.96 : 731,348.36 = 303,609.36 : x
  2. Step 2: Convert to fraction form
    529,962.96/731,348.36 = 303,609.36/x
  3. Step 3: Cross multiply
    529,962.96x = 731,348.36 × 303,609.36
  4. Step 4: Simplify right side
    529,962.96x = 222,044,207,516.65
  5. Step 5: Solve for x
    x = 222,044,207,516.65/529,962.96
  6. Step 6: Final answer
    x = 418,980.62

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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.