Home / 691,890.93-1,037,759.24-186,502.30

Finding the Fourth Proportional to 691,890.93, 1,037,759.24 and 186,502.30

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Solution

The fourth proportional to 691,890.93, 1,037,759.24 and 186,502.30 is: 279,732.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,890.93 : 1,037,759.24 = 186,502.30 : x
  2. Step 2: Convert to fraction form
    691,890.93/1,037,759.24 = 186,502.30/x
  3. Step 3: Cross multiply
    691,890.93x = 1,037,759.24 × 186,502.30
  4. Step 4: Simplify right side
    691,890.93x = 193,544,482,978.11
  5. Step 5: Solve for x
    x = 193,544,482,978.11/691,890.93
  6. Step 6: Final answer
    x = 279,732.65

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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.