Home / 383,332.60-528,999.56-213,572.68

Finding the Fourth Proportional to 383,332.60, 528,999.56 and 213,572.68

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Solution

The fourth proportional to 383,332.60, 528,999.56 and 213,572.68 is: 294,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,332.60 : 528,999.56 = 213,572.68 : x
  2. Step 2: Convert to fraction form
    383,332.60/528,999.56 = 213,572.68/x
  3. Step 3: Cross multiply
    383,332.60x = 528,999.56 × 213,572.68
  4. Step 4: Simplify right side
    383,332.60x = 112,979,853,748.02
  5. Step 5: Solve for x
    x = 112,979,853,748.02/383,332.60
  6. Step 6: Final answer
    x = 294,730.62

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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.