Home / 566,865.45-782,274.33-312,216.63

Finding the Fourth Proportional to 566,865.45, 782,274.33 and 312,216.63

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Solution

The fourth proportional to 566,865.45, 782,274.33 and 312,216.63 is: 430,858.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,865.45 : 782,274.33 = 312,216.63 : x
  2. Step 2: Convert to fraction form
    566,865.45/782,274.33 = 312,216.63/x
  3. Step 3: Cross multiply
    566,865.45x = 782,274.33 × 312,216.63
  4. Step 4: Simplify right side
    566,865.45x = 244,239,056,223.25
  5. Step 5: Solve for x
    x = 244,239,056,223.25/566,865.45
  6. Step 6: Final answer
    x = 430,858.96

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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.