Home / 566,890.28-782,308.53-312,241.47

Finding the Fourth Proportional to 566,890.28, 782,308.53 and 312,241.47

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Solution

The fourth proportional to 566,890.28, 782,308.53 and 312,241.47 is: 430,893.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,890.28 : 782,308.53 = 312,241.47 : x
  2. Step 2: Convert to fraction form
    566,890.28/782,308.53 = 312,241.47/x
  3. Step 3: Cross multiply
    566,890.28x = 782,308.53 × 312,241.47
  4. Step 4: Simplify right side
    566,890.28x = 244,269,162,467.08
  5. Step 5: Solve for x
    x = 244,269,162,467.08/566,890.28
  6. Step 6: Final answer
    x = 430,893.19

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1.5x scale

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.