Home / 405,913.53-560,146.88-224,633.10

Finding the Fourth Proportional to 405,913.53, 560,146.88 and 224,633.10

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Solution

The fourth proportional to 405,913.53, 560,146.88 and 224,633.10 is: 309,986.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,913.53 : 560,146.88 = 224,633.10 : x
  2. Step 2: Convert to fraction form
    405,913.53/560,146.88 = 224,633.10/x
  3. Step 3: Cross multiply
    405,913.53x = 560,146.88 × 224,633.10
  4. Step 4: Simplify right side
    405,913.53x = 125,827,530,109.73
  5. Step 5: Solve for x
    x = 125,827,530,109.73/405,913.53
  6. Step 6: Final answer
    x = 309,986.05

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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.