Home / 405,066.24-558,988.74-223,789.86

Finding the Fourth Proportional to 405,066.24, 558,988.74 and 223,789.86

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Solution

The fourth proportional to 405,066.24, 558,988.74 and 223,789.86 is: 308,828.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,066.24 : 558,988.74 = 223,789.86 : x
  2. Step 2: Convert to fraction form
    405,066.24/558,988.74 = 223,789.86/x
  3. Step 3: Cross multiply
    405,066.24x = 558,988.74 × 223,789.86
  4. Step 4: Simplify right side
    405,066.24x = 125,096,011,866.18
  5. Step 5: Solve for x
    x = 125,096,011,866.18/405,066.24
  6. Step 6: Final answer
    x = 308,828.53

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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.