Home / 413,981.30-571,341.80-230,238.51

Finding the Fourth Proportional to 413,981.30, 571,341.80 and 230,238.51

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Solution

The fourth proportional to 413,981.30, 571,341.80 and 230,238.51 is: 317,755.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,981.30 : 571,341.80 = 230,238.51 : x
  2. Step 2: Convert to fraction form
    413,981.30/571,341.80 = 230,238.51/x
  3. Step 3: Cross multiply
    413,981.30x = 571,341.80 × 230,238.51
  4. Step 4: Simplify right side
    413,981.30x = 131,544,883,581.53
  5. Step 5: Solve for x
    x = 131,544,883,581.53/413,981.30
  6. Step 6: Final answer
    x = 317,755.62

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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.