Home / 1,065,803.76-1,595,840.85-811,874.61

Finding the Fourth Proportional to 1,065,803.76, 1,595,840.85 and 811,874.61

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Solution

The fourth proportional to 1,065,803.76, 1,595,840.85 and 811,874.61 is: 1,215,629.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,803.76 : 1,595,840.85 = 811,874.61 : x
  2. Step 2: Convert to fraction form
    1,065,803.76/1,595,840.85 = 811,874.61/x
  3. Step 3: Cross multiply
    1,065,803.76x = 1,595,840.85 × 811,874.61
  4. Step 4: Simplify right side
    1,065,803.76x = 1,295,622,665,432.42
  5. Step 5: Solve for x
    x = 1,295,622,665,432.42/1,065,803.76
  6. Step 6: Final answer
    x = 1,215,629.66

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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.