Home / 529,837.70-731,195.25-303,526.94

Finding the Fourth Proportional to 529,837.70, 731,195.25 and 303,526.94

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Solution

The fourth proportional to 529,837.70, 731,195.25 and 303,526.94 is: 418,878.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,837.70 : 731,195.25 = 303,526.94 : x
  2. Step 2: Convert to fraction form
    529,837.70/731,195.25 = 303,526.94/x
  3. Step 3: Cross multiply
    529,837.70x = 731,195.25 × 303,526.94
  4. Step 4: Simplify right side
    529,837.70x = 221,937,454,947.05
  5. Step 5: Solve for x
    x = 221,937,454,947.05/529,837.70
  6. Step 6: Final answer
    x = 418,878.19

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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.