Home / 405,299.56-559,342.35-224,007.59

Finding the Fourth Proportional to 405,299.56, 559,342.35 and 224,007.59

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Solution

The fourth proportional to 405,299.56, 559,342.35 and 224,007.59 is: 309,146.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,299.56 : 559,342.35 = 224,007.59 : x
  2. Step 2: Convert to fraction form
    405,299.56/559,342.35 = 224,007.59/x
  3. Step 3: Cross multiply
    405,299.56x = 559,342.35 × 224,007.59
  4. Step 4: Simplify right side
    405,299.56x = 125,296,931,808.44
  5. Step 5: Solve for x
    x = 125,296,931,808.44/405,299.56
  6. Step 6: Final answer
    x = 309,146.48

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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.