Home / 670,511.10-1,005,669.45-197,147.10

Finding the Fourth Proportional to 670,511.10, 1,005,669.45 and 197,147.10

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Solution

The fourth proportional to 670,511.10, 1,005,669.45 and 197,147.10 is: 295,692.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,511.10 : 1,005,669.45 = 197,147.10 : x
  2. Step 2: Convert to fraction form
    670,511.10/1,005,669.45 = 197,147.10/x
  3. Step 3: Cross multiply
    670,511.10x = 1,005,669.45 × 197,147.10
  4. Step 4: Simplify right side
    670,511.10x = 198,264,815,626.10
  5. Step 5: Solve for x
    x = 198,264,815,626.10/670,511.10
  6. Step 6: Final answer
    x = 295,692.07

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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.