Home / 1,232,087.87-1,700,287.18-688,246.58

Finding the Fourth Proportional to 1,232,087.87, 1,700,287.18 and 688,246.58

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Solution

The fourth proportional to 1,232,087.87, 1,700,287.18 and 688,246.58 is: 949,783.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,087.87 : 1,700,287.18 = 688,246.58 : x
  2. Step 2: Convert to fraction form
    1,232,087.87/1,700,287.18 = 688,246.58/x
  3. Step 3: Cross multiply
    1,232,087.87x = 1,700,287.18 × 688,246.58
  4. Step 4: Simplify right side
    1,232,087.87x = 1,170,216,836,652.84
  5. Step 5: Solve for x
    x = 1,170,216,836,652.84/1,232,087.87
  6. Step 6: Final answer
    x = 949,783.59

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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.