Home / 1,232,086.87-1,700,285.80-688,245.58

Finding the Fourth Proportional to 1,232,086.87, 1,700,285.80 and 688,245.58

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Solution

The fourth proportional to 1,232,086.87, 1,700,285.80 and 688,245.58 is: 949,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,086.87 : 1,700,285.80 = 688,245.58 : x
  2. Step 2: Convert to fraction form
    1,232,086.87/1,700,285.80 = 688,245.58/x
  3. Step 3: Cross multiply
    1,232,086.87x = 1,700,285.80 × 688,245.58
  4. Step 4: Simplify right side
    1,232,086.87x = 1,170,214,186,586.76
  5. Step 5: Solve for x
    x = 1,170,214,186,586.76/1,232,086.87
  6. Step 6: Final answer
    x = 949,782.21

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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.