Home / 405,917.28-560,154.42-224,636.76

Finding the Fourth Proportional to 405,917.28, 560,154.42 and 224,636.76

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Solution

The fourth proportional to 405,917.28, 560,154.42 and 224,636.76 is: 309,992.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,917.28 : 560,154.42 = 224,636.76 : x
  2. Step 2: Convert to fraction form
    405,917.28/560,154.42 = 224,636.76/x
  3. Step 3: Cross multiply
    405,917.28x = 560,154.42 × 224,636.76
  4. Step 4: Simplify right side
    405,917.28x = 125,831,274,008.48
  5. Step 5: Solve for x
    x = 125,831,274,008.48/405,917.28
  6. Step 6: Final answer
    x = 309,992.41

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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.