Home / 421,316.52-581,349.60-240,032.04

Finding the Fourth Proportional to 421,316.52, 581,349.60 and 240,032.04

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Solution

The fourth proportional to 421,316.52, 581,349.60 and 240,032.04 is: 331,205.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,316.52 : 581,349.60 = 240,032.04 : x
  2. Step 2: Convert to fraction form
    421,316.52/581,349.60 = 240,032.04/x
  3. Step 3: Cross multiply
    421,316.52x = 581,349.60 × 240,032.04
  4. Step 4: Simplify right side
    421,316.52x = 139,542,530,441.18
  5. Step 5: Solve for x
    x = 139,542,530,441.18/421,316.52
  6. Step 6: Final answer
    x = 331,205.93

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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.