Home / 566,772.28-782,181.32-312,123.46

Finding the Fourth Proportional to 566,772.28, 782,181.32 and 312,123.46

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Solution

The fourth proportional to 566,772.28, 782,181.32 and 312,123.46 is: 430,749.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,772.28 : 782,181.32 = 312,123.46 : x
  2. Step 2: Convert to fraction form
    566,772.28/782,181.32 = 312,123.46/x
  3. Step 3: Cross multiply
    566,772.28x = 782,181.32 × 312,123.46
  4. Step 4: Simplify right side
    566,772.28x = 244,137,139,945.77
  5. Step 5: Solve for x
    x = 244,137,139,945.77/566,772.28
  6. Step 6: Final answer
    x = 430,749.97

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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.