Home / 691,995.30-1,037,992.95-193,359.30

Finding the Fourth Proportional to 691,995.30, 1,037,992.95 and 193,359.30

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Solution

The fourth proportional to 691,995.30, 1,037,992.95 and 193,359.30 is: 290,038.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,995.30 : 1,037,992.95 = 193,359.30 : x
  2. Step 2: Convert to fraction form
    691,995.30/1,037,992.95 = 193,359.30/x
  3. Step 3: Cross multiply
    691,995.30x = 1,037,992.95 × 193,359.30
  4. Step 4: Simplify right side
    691,995.30x = 200,705,590,216.94
  5. Step 5: Solve for x
    x = 200,705,590,216.94/691,995.30
  6. Step 6: Final answer
    x = 290,038.95

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Double scale
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Similar ratio
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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.