Home / 529,012.85-792,172.20-348,551.17

Finding the Fourth Proportional to 529,012.85, 792,172.20 and 348,551.17

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Solution

The fourth proportional to 529,012.85, 792,172.20 and 348,551.17 is: 521,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,012.85 : 792,172.20 = 348,551.17 : x
  2. Step 2: Convert to fraction form
    529,012.85/792,172.20 = 348,551.17/x
  3. Step 3: Cross multiply
    529,012.85x = 792,172.20 × 348,551.17
  4. Step 4: Simplify right side
    529,012.85x = 276,112,548,468.46
  5. Step 5: Solve for x
    x = 276,112,548,468.46/529,012.85
  6. Step 6: Final answer
    x = 521,939.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.