Home / 529,668.72-731,154.60-325,802.25

Finding the Fourth Proportional to 529,668.72, 731,154.60 and 325,802.25

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Solution

The fourth proportional to 529,668.72, 731,154.60 and 325,802.25 is: 449,737.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,668.72 : 731,154.60 = 325,802.25 : x
  2. Step 2: Convert to fraction form
    529,668.72/731,154.60 = 325,802.25/x
  3. Step 3: Cross multiply
    529,668.72x = 731,154.60 × 325,802.25
  4. Step 4: Simplify right side
    529,668.72x = 238,211,813,777.85
  5. Step 5: Solve for x
    x = 238,211,813,777.85/529,668.72
  6. Step 6: Final answer
    x = 449,737.36

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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.