Home / 1,232,086.86-1,700,285.79-688,245.57

Finding the Fourth Proportional to 1,232,086.86, 1,700,285.79 and 688,245.57

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Solution

The fourth proportional to 1,232,086.86, 1,700,285.79 and 688,245.57 is: 949,782.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,086.86 : 1,700,285.79 = 688,245.57 : x
  2. Step 2: Convert to fraction form
    1,232,086.86/1,700,285.79 = 688,245.57/x
  3. Step 3: Cross multiply
    1,232,086.86x = 1,700,285.79 × 688,245.57
  4. Step 4: Simplify right side
    1,232,086.86x = 1,170,214,162,701.45
  5. Step 5: Solve for x
    x = 1,170,214,162,701.45/1,232,086.86
  6. Step 6: Final answer
    x = 949,782.20

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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.