Home / 565,100.43-779,252.04-393,213.17

Finding the Fourth Proportional to 565,100.43, 779,252.04 and 393,213.17

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Solution

The fourth proportional to 565,100.43, 779,252.04 and 393,213.17 is: 542,226.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,100.43 : 779,252.04 = 393,213.17 : x
  2. Step 2: Convert to fraction form
    565,100.43/779,252.04 = 393,213.17/x
  3. Step 3: Cross multiply
    565,100.43x = 779,252.04 × 393,213.17
  4. Step 4: Simplify right side
    565,100.43x = 306,412,160,981.11
  5. Step 5: Solve for x
    x = 306,412,160,981.11/565,100.43
  6. Step 6: Final answer
    x = 542,226.03

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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.