Home / 829,027.80-1,243,541.70-408,216.60

Finding the Fourth Proportional to 829,027.80, 1,243,541.70 and 408,216.60

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Solution

The fourth proportional to 829,027.80, 1,243,541.70 and 408,216.60 is: 612,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,027.80 : 1,243,541.70 = 408,216.60 : x
  2. Step 2: Convert to fraction form
    829,027.80/1,243,541.70 = 408,216.60/x
  3. Step 3: Cross multiply
    829,027.80x = 1,243,541.70 × 408,216.60
  4. Step 4: Simplify right side
    829,027.80x = 507,634,364,732.22
  5. Step 5: Solve for x
    x = 507,634,364,732.22/829,027.80
  6. Step 6: Final answer
    x = 612,324.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.