Home / 688,604.88-1,032,966.86-189,968.88

Finding the Fourth Proportional to 688,604.88, 1,032,966.86 and 189,968.88

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Solution

The fourth proportional to 688,604.88, 1,032,966.86 and 189,968.88 is: 284,969.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,604.88 : 1,032,966.86 = 189,968.88 : x
  2. Step 2: Convert to fraction form
    688,604.88/1,032,966.86 = 189,968.88/x
  3. Step 3: Cross multiply
    688,604.88x = 1,032,966.86 × 189,968.88
  4. Step 4: Simplify right side
    688,604.88x = 196,231,557,471.32
  5. Step 5: Solve for x
    x = 196,231,557,471.32/688,604.88
  6. Step 6: Final answer
    x = 284,969.75

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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.