Home / 1,118,674.80-1,678,012.20-277,226.55

Finding the Fourth Proportional to 1,118,674.80, 1,678,012.20 and 277,226.55

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Solution

The fourth proportional to 1,118,674.80, 1,678,012.20 and 277,226.55 is: 415,839.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,674.80 : 1,678,012.20 = 277,226.55 : x
  2. Step 2: Convert to fraction form
    1,118,674.80/1,678,012.20 = 277,226.55/x
  3. Step 3: Cross multiply
    1,118,674.80x = 1,678,012.20 × 277,226.55
  4. Step 4: Simplify right side
    1,118,674.80x = 465,189,533,063.91
  5. Step 5: Solve for x
    x = 465,189,533,063.91/1,118,674.80
  6. Step 6: Final answer
    x = 415,839.83

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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.