Home / 436,566.81-654,848.19-121,022.67

Finding the Fourth Proportional to 436,566.81, 654,848.19 and 121,022.67

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Solution

The fourth proportional to 436,566.81, 654,848.19 and 121,022.67 is: 181,533.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,566.81 : 654,848.19 = 121,022.67 : x
  2. Step 2: Convert to fraction form
    436,566.81/654,848.19 = 121,022.67/x
  3. Step 3: Cross multiply
    436,566.81x = 654,848.19 × 121,022.67
  4. Step 4: Simplify right side
    436,566.81x = 79,251,476,398.47
  5. Step 5: Solve for x
    x = 79,251,476,398.47/436,566.81
  6. Step 6: Final answer
    x = 181,533.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.