Home / 529,926.24-731,082.48-300,435.12

Finding the Fourth Proportional to 529,926.24, 731,082.48 and 300,435.12

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Solution

The fourth proportional to 529,926.24, 731,082.48 and 300,435.12 is: 414,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,926.24 : 731,082.48 = 300,435.12 : x
  2. Step 2: Convert to fraction form
    529,926.24/731,082.48 = 300,435.12/x
  3. Step 3: Cross multiply
    529,926.24x = 731,082.48 × 300,435.12
  4. Step 4: Simplify right side
    529,926.24x = 219,642,852,608.70
  5. Step 5: Solve for x
    x = 219,642,852,608.70/529,926.24
  6. Step 6: Final answer
    x = 414,478.16

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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.