Home / 670,770.45-1,005,809.45-197,394.39

Finding the Fourth Proportional to 670,770.45, 1,005,809.45 and 197,394.39

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Solution

The fourth proportional to 670,770.45, 1,005,809.45 and 197,394.39 is: 295,989.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,770.45 : 1,005,809.45 = 197,394.39 : x
  2. Step 2: Convert to fraction form
    670,770.45/1,005,809.45 = 197,394.39/x
  3. Step 3: Cross multiply
    670,770.45x = 1,005,809.45 × 197,394.39
  4. Step 4: Simplify right side
    670,770.45x = 198,541,141,852.01
  5. Step 5: Solve for x
    x = 198,541,141,852.01/670,770.45
  6. Step 6: Final answer
    x = 295,989.70

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Half scale
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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.