Home / 1,119,005.90-1,678,508.85-277,557.65

Finding the Fourth Proportional to 1,119,005.90, 1,678,508.85 and 277,557.65

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Solution

The fourth proportional to 1,119,005.90, 1,678,508.85 and 277,557.65 is: 416,336.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,005.90 : 1,678,508.85 = 277,557.65 : x
  2. Step 2: Convert to fraction form
    1,119,005.90/1,678,508.85 = 277,557.65/x
  3. Step 3: Cross multiply
    1,119,005.90x = 1,678,508.85 × 277,557.65
  4. Step 4: Simplify right side
    1,119,005.90x = 465,882,971,910.20
  5. Step 5: Solve for x
    x = 465,882,971,910.20/1,119,005.90
  6. Step 6: Final answer
    x = 416,336.48

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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.