Home / 405,508.77-559,553.27-224,196.21

Finding the Fourth Proportional to 405,508.77, 559,553.27 and 224,196.21

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Solution

The fourth proportional to 405,508.77, 559,553.27 and 224,196.21 is: 309,363.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,508.77 : 559,553.27 = 224,196.21 : x
  2. Step 2: Convert to fraction form
    405,508.77/559,553.27 = 224,196.21/x
  3. Step 3: Cross multiply
    405,508.77x = 559,553.27 × 224,196.21
  4. Step 4: Simplify right side
    405,508.77x = 125,449,721,306.13
  5. Step 5: Solve for x
    x = 125,449,721,306.13/405,508.77
  6. Step 6: Final answer
    x = 309,363.77

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1.5x scale

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.