Home / 670,518.20-1,005,777.30-197,251.40

Finding the Fourth Proportional to 670,518.20, 1,005,777.30 and 197,251.40

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Solution

The fourth proportional to 670,518.20, 1,005,777.30 and 197,251.40 is: 295,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,518.20 : 1,005,777.30 = 197,251.40 : x
  2. Step 2: Convert to fraction form
    670,518.20/1,005,777.30 = 197,251.40/x
  3. Step 3: Cross multiply
    670,518.20x = 1,005,777.30 × 197,251.40
  4. Step 4: Simplify right side
    670,518.20x = 198,390,980,513.22
  5. Step 5: Solve for x
    x = 198,390,980,513.22/670,518.20
  6. Step 6: Final answer
    x = 295,877.10

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Similar ratio
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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.