Home / 1,111,095.36-1,667,323.44-479,995.20

Finding the Fourth Proportional to 1,111,095.36, 1,667,323.44 and 479,995.20

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Solution

The fourth proportional to 1,111,095.36, 1,667,323.44 and 479,995.20 is: 720,286.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,095.36 : 1,667,323.44 = 479,995.20 : x
  2. Step 2: Convert to fraction form
    1,111,095.36/1,667,323.44 = 479,995.20/x
  3. Step 3: Cross multiply
    1,111,095.36x = 1,667,323.44 × 479,995.20
  4. Step 4: Simplify right side
    1,111,095.36x = 800,307,248,047.49
  5. Step 5: Solve for x
    x = 800,307,248,047.49/1,111,095.36
  6. Step 6: Final answer
    x = 720,286.73

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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.