Home / 697,331.20-1,045,996.80-191,891.20

Finding the Fourth Proportional to 697,331.20, 1,045,996.80 and 191,891.20

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Solution

The fourth proportional to 697,331.20, 1,045,996.80 and 191,891.20 is: 287,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,331.20 : 1,045,996.80 = 191,891.20 : x
  2. Step 2: Convert to fraction form
    697,331.20/1,045,996.80 = 191,891.20/x
  3. Step 3: Cross multiply
    697,331.20x = 1,045,996.80 × 191,891.20
  4. Step 4: Simplify right side
    697,331.20x = 200,717,581,148.16
  5. Step 5: Solve for x
    x = 200,717,581,148.16/697,331.20
  6. Step 6: Final answer
    x = 287,836.80

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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.