Home / 864,533.66-1,296,800.48-443,541.02

Finding the Fourth Proportional to 864,533.66, 1,296,800.48 and 443,541.02

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Solution

The fourth proportional to 864,533.66, 1,296,800.48 and 443,541.02 is: 665,311.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,533.66 : 1,296,800.48 = 443,541.02 : x
  2. Step 2: Convert to fraction form
    864,533.66/1,296,800.48 = 443,541.02/x
  3. Step 3: Cross multiply
    864,533.66x = 1,296,800.48 × 443,541.02
  4. Step 4: Simplify right side
    864,533.66x = 575,184,202,260.54
  5. Step 5: Solve for x
    x = 575,184,202,260.54/864,533.66
  6. Step 6: Final answer
    x = 665,311.52

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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.