Home / 825,700.56-1,139,375.60-463,049.76

Finding the Fourth Proportional to 825,700.56, 1,139,375.60 and 463,049.76

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Solution

The fourth proportional to 825,700.56, 1,139,375.60 and 463,049.76 is: 638,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,700.56 : 1,139,375.60 = 463,049.76 : x
  2. Step 2: Convert to fraction form
    825,700.56/1,139,375.60 = 463,049.76/x
  3. Step 3: Cross multiply
    825,700.56x = 1,139,375.60 × 463,049.76
  4. Step 4: Simplify right side
    825,700.56x = 527,587,598,129.86
  5. Step 5: Solve for x
    x = 527,587,598,129.86/825,700.56
  6. Step 6: Final answer
    x = 638,957.54

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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.