Home / 1,119,385.80-1,679,078.70-277,937.55

Finding the Fourth Proportional to 1,119,385.80, 1,679,078.70 and 277,937.55

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Solution

The fourth proportional to 1,119,385.80, 1,679,078.70 and 277,937.55 is: 416,906.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,385.80 : 1,679,078.70 = 277,937.55 : x
  2. Step 2: Convert to fraction form
    1,119,385.80/1,679,078.70 = 277,937.55/x
  3. Step 3: Cross multiply
    1,119,385.80x = 1,679,078.70 × 277,937.55
  4. Step 4: Simplify right side
    1,119,385.80x = 466,679,020,135.19
  5. Step 5: Solve for x
    x = 466,679,020,135.19/1,119,385.80
  6. Step 6: Final answer
    x = 416,906.33

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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.