Home / 405,922.28-560,158.96-224,641.84

Finding the Fourth Proportional to 405,922.28, 560,158.96 and 224,641.84

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Solution

The fourth proportional to 405,922.28, 560,158.96 and 224,641.84 is: 309,998.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,922.28 : 560,158.96 = 224,641.84 : x
  2. Step 2: Convert to fraction form
    405,922.28/560,158.96 = 224,641.84/x
  3. Step 3: Cross multiply
    405,922.28x = 560,158.96 × 224,641.84
  4. Step 4: Simplify right side
    405,922.28x = 125,835,139,466.89
  5. Step 5: Solve for x
    x = 125,835,139,466.89/405,922.28
  6. Step 6: Final answer
    x = 309,998.11

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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.