Home / 566,896.41-782,316.90-312,247.60

Finding the Fourth Proportional to 566,896.41, 782,316.90 and 312,247.60

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Solution

The fourth proportional to 566,896.41, 782,316.90 and 312,247.60 is: 430,901.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,896.41 : 782,316.90 = 312,247.60 : x
  2. Step 2: Convert to fraction form
    566,896.41/782,316.90 = 312,247.60/x
  3. Step 3: Cross multiply
    566,896.41x = 782,316.90 × 312,247.60
  4. Step 4: Simplify right side
    566,896.41x = 244,276,574,464.44
  5. Step 5: Solve for x
    x = 244,276,574,464.44/566,896.41
  6. Step 6: Final answer
    x = 430,901.61

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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.