Home / 670,731.40-1,005,987.72-197,306.02

Finding the Fourth Proportional to 670,731.40, 1,005,987.72 and 197,306.02

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Solution

The fourth proportional to 670,731.40, 1,005,987.72 and 197,306.02 is: 295,926.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,731.40 : 1,005,987.72 = 197,306.02 : x
  2. Step 2: Convert to fraction form
    670,731.40/1,005,987.72 = 197,306.02/x
  3. Step 3: Cross multiply
    670,731.40x = 1,005,987.72 × 197,306.02
  4. Step 4: Simplify right side
    670,731.40x = 198,487,433,202.07
  5. Step 5: Solve for x
    x = 198,487,433,202.07/670,731.40
  6. Step 6: Final answer
    x = 295,926.85

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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.