Home / 405,388.83-559,432.89-224,105.43

Finding the Fourth Proportional to 405,388.83, 559,432.89 and 224,105.43

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Solution

The fourth proportional to 405,388.83, 559,432.89 and 224,105.43 is: 309,263.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,388.83 : 559,432.89 = 224,105.43 : x
  2. Step 2: Convert to fraction form
    405,388.83/559,432.89 = 224,105.43/x
  3. Step 3: Cross multiply
    405,388.83x = 559,432.89 × 224,105.43
  4. Step 4: Simplify right side
    405,388.83x = 125,371,948,369.59
  5. Step 5: Solve for x
    x = 125,371,948,369.59/405,388.83
  6. Step 6: Final answer
    x = 309,263.45

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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.